Mammals | Mammalia

Mammals are a warm-blooded vertebrate class, Mammalia, and are found on every continent and in the oceans. Mammals are distinguished by the female mammary glands used to feed their young, having hair or fur, three middle ear bones, and a hinged jaw. Mammals diverged from reptiles and birds in the late Triassic, a fact which is known from studying the bones and skulls of Mammalian ancestors to see that the jaws of prehistoric reptiles became the ear bones of mammals today. One of the most adaptable animal classes on the planet, mammals utilize every possible form of transportation (walk, crawl, burrow, swim, climb, etc.) and may live solitarily or in groups for protection depending on the species.

When did mammals first appear?

Mammals first appeared during the Triassic period which was about 252 million to 201 million years ago and were members of the reptilian order Therapsida. This order had a subclass, Synapsida which are sometimes referred to as mammal-like reptiles. They were part of the Carboniferous period and are considered one of the earliest reptilian groups.

Which mammal species lay eggs?

The only 2 mammal species that lay eggs are the duck-billed platypus and the echidna, also known as the spiny anteater. The reasons these 2 mammals still lay eggs may be due to their distant ancestors as well as other primitive traits like their reptile-like shoulders.

What are the most common mammal species?

The most common mammal species are humans as it is the most numerous species of mammal on Earth. As of 2022, the human population reached 7.9 billion. Human beings are the only species that are close to exceeding the number of members of the brown rat and the house mouse.

Mammals Guides
Browse through our curated Mammals Guides for additional categorizations, tips, details, variations, styles, and histories of Mammals. Guides provide additional insights into the unique properties and shared relationships between elements.
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Aardvark
267700
23.6”-29.9” | 60-76 cm
11”-13.4” | 28-34 cm
41.3”-51.2” | 105-130 cm (Body)
88-176 lb | 40-80 kg
15-30 years
Aardvark
76.000
34.000
130.000
80.000
30.00
267700
3D
Aardvark
8”-10" | 20-25 cm
12”-16” | 30-41 cm
8-12 lb | 3.6-5.4 kg
9-13 years
Abyssinian Cat
25.000
41.000
5.400
13.00
41000
3D
Abyssinian Cat
Affenpinscher
Guide-2-F
Guide-1-A
31000
13”-16” | 33-41 cm
12”-15” | 30-38 cm
6-13 lb | 3-6 kg
11-14 years
Affenpinscher
41.000
38.000
6.000
14.00
31000
3D
Affenpinscher
Afghan Hound
Guide-2-B
Guide-1-D
60000
33”-37” | 84-94 cm
32”-36” | 81-91 cm
57-75 lb | 26-34 kg
10-14 years
Afghan Hound
94.000
91.000
34.000
14.00
60000
3D
Afghan Hound
8.5’-13’ | 2.6-4 m
4.27’-6.89’ | 1.3-2.1 m
10’-16.5’ | 3-5 m
5,500-15,400 lb | 2,500-7,000 kg
60-75 years
African Bush Elephant
400.000
210.000
500.000
7000.000
75.00
42900
3D
African Bush Elephant
15.75”-20.5” | 40-52 cm
7.5”-9.8” | 19-25 cm
26.4”-35” | 67-89 cm (Body)
15.4-44.1 lb | 7-20 kg
15-28 years
African Civet
52.000
25.000
89.000
20.000
28.00
10450
3D
African Civet
1.4”-2” | 3.5-5 cm
2.75”-3.9” | 7-10 cm
.6-1.2 oz | 18-34 g
4 years (wild); 5-6 years (captivity)
African Dormouse
5.000
10.000
0.034
6.00
70
3D
African Dormouse
5.92’-9.83’ | 1.8-3 m
2.82’-4.59’ | .86-1.4 m
7.22’-12.13’ | 2.2-3.7 m
8,818-13,889 lb | 4,000-6,300 kg
60-70 years
African Forest Elephant
300.000
140.000
370.000
6300.000
70.00
17400
3D
African Forest Elephant
44"-50" | 1.1-1.3 m
54"-78" | 1.4-2 m
270-420 lb | 120-190 kg
10-15 years (wild), 30 (captivity)
African Lion
130.000
200.000
190.000
15.00
449000
3D
African Lion
55.1”-65” | 140-165 cm
78.7”-92.5” | 200-235 cm
507-606 lb | 230-275 kg
25-40 years
African Wild Ass
165.000
235.000
275.000
40.00
4200
3D
African Wild Ass
34”-40” | 86-102 cm
28”-33” | 71-84 cm
20-60 lb | 9-27 kg
10-14 years (wild); up to 15-17 years (captivity)
Agile Wallaby
102.000
84.000
27.000
17.00
67000
3D
Agile Wallaby
Airedale Terrier
Guide-2-E
Guide-1-C
53000
27”-31” | 69-79 cm
30”-34” | 76-86 cm
40-65 lb | 18-29 kg
10-13 years
Airedale Terrier
79.000
86.000
29.000
13.00
53000
3D
Airedale Terrier
14-16 hands (56”-64” | 142-163 cm)
900-1000 lb | 408-454 kg
20 years (Typical)
Akhal-Teke
163.000
454.000
20.00
6900
3D
Akhal-Teke
Akita
Guide-2-G
Guide-1-E
226000
31”-36.5” | 79-93 cm
36.5”-43.5” | 93-110 cm
70-130 lb | 31.8-59 kg
10-13 years
Akita
93.000
110.000
59.000
13.00
226000
3D
Akita
Alaskan Husky
Guide-2-G
Guide-1-C
27000
31”-34” | 79-86 cm
34”-37” | 86-94 cm
40-60 lb | 18-27 kg
10-15 years
Alaskan Husky
86.000
94.000
27.000
15.00
27000
3D
Alaskan Husky
Alaskan Klee Kai
Guide-2-I
Guide-1-C
62000
20”-22” | 51-56 cm
21”-24” | 53-61 cm
16-22 lb | 7-10 kg
12-16 years
Alaskan Klee Kai
56.000
61.000
10.000
16.00
62000
3D
Alaskan Klee Kai
Alaskan Malamute
Guide-2-G
Guide-1-D
177000
29.5"-34.5" | 75-88 cm
35"-41.5" | 89-105 cm
75-85 lb | 34-39 kg
10-15 years
Alaskan Malamute
88.000
105.000
39.000
15.00
177000
3D
Alaskan Malamute
Alpaca
137000
39"-46" | 99-117 cm
48"-84" | 122-213 cm
45-68 lb | 100-175 kg
15-25 years
Alpaca
117.000
213.000
175.000
25.00
137000
3D
Alpaca
14”-19” | 37-48 cm
22”-29” | 56-74 cm
6.5’-8.5’ | 1.98-2.59 m
331-408 lb | 150-185 kg
25-30 years
Amazon River Dolphin
48.000
74.000
259.000
185.000
30.00
32200
3D
Amazon River Dolphin
1.6’-2’ | 50-62 cm
2.1’-2.7’ | 63-83 cm
8’-10’ | 2.4-3 m
573-1,058 lb | 260-480 kg
15-30 years
Amazonian Manatee
62.000
83.000
300.000
480.000
30.00
3900
3D
Amazonian Manatee
60"-78" (5’-6’6”) | 1.52-1.98 m
79.0"-138.0" (6’7”-11’6”) | 2-3.5 m
660-2,200 lb | 300-1000 kg
15 years (wild), 25 years (captivity)
American Bison
198.000
350.000
1000.000
15.00
100000
3D
American Bison
2’6”-3’5” | .75-1.05 m
4’-6’8” | 1.25-2.1 m
200-600 lb | 90-272 kg
20-25 years (wild); up to 45 years (captivity)
American Black Bear
105.000
210.000
272.000
45.00
10000
3D
American Black Bear
9”-10” | 23-25 cm
17”-19” | 43-48 cm
7-18 lb | 3.2-8.2 kg
13-15 years
American Bobtail Cat
25.000
48.000
8.200
15.00
19400
3D
American Bobtail Cat
American Bulldog
Guide-2-I
Guide-1-D
155000
28”-33” | 71-84 cm
31”-37” | 79-94 cm
60-120 lb | 27-54 kg
10-16 years
American Bulldog
84.000
94.000
54.000
16.00
155000
3D
American Bulldog
9”-12” | 23-30 cm
16”-21” | 41-53 cm
5-10 lb | 2.3-4.5 kg
12-16 years
American Curl Cat
30.000
53.000
4.500
16.00
21100
3D
American Curl Cat
American English Coonhound
Guide-2-B
Guide-1-C
6400
28”-35” | 71-89 cm
32”-40” | 81-102 cm
40-65 lb | 18-29 kg
10-12 years
American English Coonhound
89.000
102.000
29.000
12.00
6400
3D
American English Coonhound
American Eskimo Dog
Guide-2-C
Guide-1-B
40000
18”-22” | 46-56 cm
21”-26” | 53-66 cm
18-35 lb | 8-16 kg
12-15 years
American Eskimo Dog
56.000
66.000
16.000
15.00
40000
3D
American Eskimo Dog
American Foxhound
Guide-2-B
Guide-1-C
19000
27”-31” | 69-79 cm
28”-32” | 71-81 cm
45-75 lb | 20-34 kg
9-13 years
American Foxhound
79.000
81.000
34.000
13.00
19000
3D
American Foxhound
American Hairless Terrier
Guide-2-E
Guide-1-B
8100
17”-22” | 43-56 cm
18”-23” | 46-58 cm
7-16 lb | 3-7 kg
12-16 years
American Hairless Terrier
56.000
58.000
7.000
16.00
8100
3D
American Hairless Terrier
American Leopard Hound
Guide-2-I
Guide-1-C
7200
28”-36” | 71-91 cm
32”-40” | 81-102 cm
35-75 lb | 16-34 kg
10-15 years
American Leopard Hound
91.000
102.000
34.000
15.00
7200
3D
American Leopard Hound
4.25”-4.75” | 10.8-12 cm
6”-9” | 15-23 cm
.25-.45 lb | 125-200 g
3-4 years (wild); up to 7 years (captivity)
American Pika
12.000
23.000
0.200
7.00
4900
3D
American Pika
8”-10” | 20-25 cm
12”-15” | 30-38 cm
10-15 lb | 4.5-6.8 kg
15-20 years
American Shorthair Cat
25.000
38.000
6.800
20.00
42000
3D
American Shorthair Cat
American Staffordshire Terrier
Guide-2-E
Guide-1-C
103000
22”-25” | 56-64 cm
28”-31” | 71-79 cm
40-70 lb | 18-32 kg
9-15 years
American Staffordshire Terrier
64.000
79.000
32.000
15.00
103000
3D
American Staffordshire Terrier
1.4”-1.75” | 3.6-4.4 cm
3”-3.9” | 7.5-10 cm
.42-.63 oz | 12-18 g
1-3 years
American Water Shrew
4.400
10.000
0.018
3.00
100
3D
American Water Shrew
American Water Spaniel
Guide-2-D
Guide-1-C
8800
20”-24” | 51-61 cm
21”-24” | 53-61 cm
25-45 lb | 11-20 kg
10-15 years
American Water Spaniel
61.000
61.000
20.000
15.00
8800
3D
American Water Spaniel
8”-10" | 20-25 cm
11”-13” | 28-33 cm
8-15 lb | 3.6-6.8 kg
10-16 years
American Wirehair Cat
25.000
33.000
6.800
16.00
14200
3D
American Wirehair Cat
Anatolian Shepherd Dog
Guide-2-G
Guide-1-E
3100
33”-40” | 84-102 cm
37”-44” | 94-112 cm
85-150 lb | 39-68 kg
10-15 years
Anatolian Shepherd Dog
102.000
112.000
68.000
15.00
3100
3D
Anatolian Shepherd Dog
14.75-15.5 hands (59”-62” | 150-158 cm)
900-1200 lb | 408-544 kg
25 years (Typical)
Andalusian Horse
158.000
544.000
25.00
19000
3D
Andalusian Horse
14-16 hands (56”-64” | 142-163 cm)
950-1250 lb | 431-567 kg
30 years (Typical)
Appaloosa Horse
163.000
567.000
30.00
17000
3D
Appaloosa Horse
Appenzeller Sennenhund
Guide-2-I
Guide-1-C
6000
24”-28" | 61-71 cm
32”-38” | 81-97 cm
45-70 lb | 20-32 kg
11-15 years
Appenzeller Sennenhund
71.000
97.000
32.000
15.00
6000
3D
Appenzeller Sennenhund
6.7”-7.9” | 17-20 cm
3.5”-4.3” | 9-11 cm
17.3”-19.7” | 44-50 cm (Body)
3.1-3.3 lb | 1.4-1.5 kg
9-20 years
Aquatic Genet
20.000
11.000
50.000
1.500
20.00
70
3D
Aquatic Genet
14.25-15.25 hands (57”-61” | 145-155 cm)
800-1000 lb | 363-454 kg
25-30 years (Typical)
Arabian Horse
155.000
454.000
30.00
39000
3D
Arabian Horse
10”-12” | 25-30 cm
18”-24” | 46-61 cm
7-17 lb | 3-7.7 kg
3-6 years (wild); up to 14-16 years (captivity)
Arctic Fox
30.000
61.000
7.700
16.00
114000
3D
Arctic Fox
25”-31” | 64-79 cm
38”-68” | 97-173 cm
70-155 lb | 32-70 kg
7-10 years (wild); up to 18 years (captivity)
Arctic Wolf
79.000
173.000
70.000
18.00
28000
3D
Arctic Wolf
11.4”-13.8” | 29-35 cm
5.5”-6.9” | 14-17.5 cm
18.9”-23.2” | 48-59 cm (Body)
2.9-6.8 lb | 1.3-3.1 kg
15-25 years
Asian Palm Civet
35.000
17.500
59.000
3.100
25.00
13900
3D
Asian Palm Civet
2’5”-3’4” | .71-1.02 m
3’10”-6’6” | 1.2-2 m
90-440 lb | 41-200 kg
25-30 years (wild); up to 35 years (captivity)
Asiatic Black Bear
102.000
200.000
200.000
35.00
14000
3D
Asiatic Black Bear
30”-46” | 76-117 cm
4’7”-6’5” | 1.4-2 m
265-500 lb | 120-250 kg
12-18 years (wild); 18-20 years (captivity)
Asiatic Lion
117.000
200.000
250.000
20.00
7400
3D
Asiatic Lion
Australian Cattle Dog
Guide-2-A
Guide-1-C
136000
21”-25” | 53-64 cm
28”-33” | 71-84 cm
31-35 lb | 14-16 kg
13-15 years
Australian Cattle Dog
64.000
84.000
16.000
15.00
136000
3D
Australian Cattle Dog
Australian Kelpie
Guide-2-I
Guide-1-C
58000
20”-25” | 51-64 cm
26”-33” | 66-84 cm
30-50 lb | 14-23 kg
10-14 years
Australian Kelpie
64.000
84.000
23.000
14.00
58000
3D
Australian Kelpie
Australian Shepherd
Guide-2-A
Guide-1-C
436000
25”-32” | 64-81 cm
28”-36” | 71-91 cm
35-70 lb | 16-32 kg
13-15 years
Australian Shepherd
81.000
91.000
32.000
15.00
436000
3D
Australian Shepherd
Australian Stumpy Tail Cattle Dog
Guide-2-I
Guide-1-C
5200
22”-25” | 56-64 cm
24”-29” | 61-74 cm
35-50 lb | 16-23 kg
12-15 years
Australian Stumpy Tail Cattle Dog
64.000
74.000
23.000
15.00
5200
3D
Australian Stumpy Tail Cattle Dog
Australian Terrier
Guide-2-E
Guide-1-B
18000
14”-15” | 36-38 cm
18”-20” | 46-51 cm
12-16 lb | 5-7 kg
12-15 years
Australian Terrier
38.000
51.000
7.000
15.00
18000
3D
Australian Terrier
Azawakh
Guide-2-B
Guide-1-D
7600
30”-37” | 76-94 cm
28”-35” | 71-89 cm
35-55 lb | 16-25 kg
10-15 years
Azawakh
94.000
89.000
25.000
15.00
7600
3D
Azawakh
7’ | 2.13 m
7.42'-11.5' | 2.25-3.5 m
990-1100 lb | 450-500 kg
20-40 years; 50 (wild)
Bactrian Camel
213.000
350.000
500.000
50.00
12000
3D
Bactrian Camel
Baiji
19800
11”-20” | 27-52 cm
13”-24” | 32-61 cm
4.5’-8.5’ | 1.37-2.59 m
287-375 lb | 130-170 kg
24-30 years
Baiji
52.000
61.000
259.000
170.000
30.00
19800
3D
Baiji
39.4”-51.2” | 100-130 cm
16.5”-22.4” | 42-57 cm
70.9”-98.4” | 180-250 cm
331-661 lb | 150-300 kg
20-30 years
Baird's Tapir
130.000
57.000
250.000
300.000
30.00
750
3D
Baird's Tapir
7.9”-11” | 20-28 cm
3.1”-4.3” | 8-11 cm
16.1”-22” | 41-56 cm (Body)
2.2-6.6 lb | 1-3 kg
11-16 years
Banded Palm Civet
28.000
11.000
56.000
3.000
16.00
1000
3D
Banded Palm Civet
3’11”-4’1” | 120-125 cm
4’-5’10” | 122-180 cm
375-617 lb | 170-280 kg
10-20 years
Barasingha
125.000
180.000
280.000
20.00
1400
3D
Barasingha
Barbado da Terceira
Guide-2-I
Guide-1-C
1000
24”-28" | 61-71 cm
28”-33” | 71-84 cm
45-60 lb | 20-27 kg
12-15 years
Barbado da Terceira
71.000
84.000
27.000
15.00
1000
3D
Barbado da Terceira
Barbet
Guide-2-D
Guide-1-C
4900
26”-33” | 66-84 cm
29”-36” | 74-91 cm
30-65 lb | 14-29 kg
12-15 years
Barbet
84.000
91.000
29.000
15.00
4900
3D
Barbet
Basenji
Guide-2-B
Guide-1-B
120000
19”-20” | 48-51 cm
23”-25” | 58-64 cm
20-26 lb | 9.1-11.8 kg
13-14 years
Basenji
51.000
64.000
11.800
14.00
120000
3D
Basenji
Basset Fauve de Bretagne
Guide-2-I
Guide-1-C
2400
18”-22” | 46-56 cm
23”-28” | 58-71 cm
25-40 lb | 11-18 kg
11-15 years
Basset Fauve de Bretagne
56.000
71.000
18.000
15.00
2400
3D
Basset Fauve de Bretagne
Basset Hound
Guide-2-B
Guide-1-C
128000
16”-21” | 41-53 cm
26”-35” | 66-89 cm
44-64 lb | 20-29 kg
10-12 years
Basset Hound
53.000
89.000
29.000
12.00
128000
3D
Basset Hound
12”-15” | 30-38 cm
18”-26” | 46-66 cm
7-12 lb | 3-5 kg
5-7 years (wild); up to 12-16 years (captivity)
Bat-Eared Fox
38.000
66.000
5.000
16.00
12300
3D
Bat-Eared Fox
Bavarian Mountain Scent Hound
Guide-2-I
Guide-1-C
150
23”-28” | 61-71 cm
28”-34” | 71-86 cm
45-60 lb | 20-27 kg
10-14 years
Bavarian Mountain Scent Hound
71.000
86.000
27.000
14.00
150
3D
Bavarian Mountain Scent Hound
2’2”-2’4” | 65-70 cm
4’-4’7” | 122-140 cm
110-132 lb | 50-60 kg
15-20 years
Bawean Deer
70.000
140.000
60.000
20.00
400
3D
Bawean Deer
Beagle
Guide-2-B
Guide-1-B
245000
18”-22” | 46-56 cm
20”-25” | 51-64 cm
20-24 lb | 9-11 kg
12-15 years
Beagle
56.000
64.000
11.000
15.00
245000
3D
Beagle
Bearded Collie
Guide-2-A
Guide-1-C
18000
26”-28” | 66-71 cm
32”-36” | 81-91 cm
40-60 lb | 18-27 kg
10-15 years
Bearded Collie
71.000
91.000
27.000
15.00
18000
3D
Bearded Collie
17.7”-21.25” | 45-54 cm
21.25”-23.6” | 54-60 cm
6.92’-8.83’ | 2.1-2.7 m
440-550 lb | 200-250 kg
20-31 years
Bearded Seal
54.000
60.000
270.000
250.000
31.00
4750
3D
Bearded Seal
Beauceron
Guide-2-A
Guide-1-D
27000
32”-36” | 81-91 cm
36”-42” | 91-107 cm
65-100 lb | 29-45 kg
9-12 years
Beauceron
91.000
107.000
45.000
12.00
27000
3D
Beauceron
Bedlington Terrier
Guide-2-E
Guide-1-B
26000
20”-24” | 51-61 cm
23”-27” | 58-69 cm
17-23 lb | 8-10 kg
12-16 years
Bedlington Terrier
61.000
69.000
10.000
16.00
26000
3D
Bedlington Terrier
Belgian Laekenois
Guide-2-A
Guide-1-D
5500
29”-34” | 74-86 cm
33”-38” | 84-97 cm
45-70 lb | 20-32 kg
10-14 years
Belgian Laekenois
86.000
97.000
32.000
14.00
5500
3D
Belgian Laekenois
Belgian Malinois
Guide-2-A
Guide-1-D
215000
28.5”-33” | 72-84 cm
34”-40” | 86-102 cm
40-80 lb | 18.1-36.3 kg
14-16 years
Belgian Malinois
84.000
102.000
36.300
16.00
215000
3D
Belgian Malinois
Belgian Sheepdog
Guide-2-A
Guide-1-D
10000
28”-32” | 71-81 cm
30”-35” | 76-89 cm
45-70 lb | 20-32 kg
10-14 years
Belgian Sheepdog
81.000
89.000
32.000
14.00
10000
3D
Belgian Sheepdog
Belgian Tervuren
Guide-2-A
Guide-1-D
21000
28”-33” | 71-84 cm
33”-38” | 84-97 cm
40-65 lb | 18-29 kg
10-14 years
Belgian Tervuren
84.000
97.000
29.000
14.00
21000
3D
Belgian Tervuren
2’8”-4’2” | 81-127 cm
35”-54” | 89-138 cm
13’-20’ | 4-6.1 m
2,000-3,000 lb | 910-1,360 kg
35-50 years
Beluga Whale
127.000
138.000
610.000
1360.000
50.00
224000
3D
Beluga Whale
8”-10" | 20-25 cm
14”-18” | 36-46 cm
8-15 lb | 3.6-6.8 kg
9-15 years
Bengal Cat
25.000
46.000
6.800
15.00
192000
3D
Bengal Cat
34”-45” | 86-114 cm
5’3”-6’5” | 160-196 cm
220-650 lb | 100-295 kg
8-10 years (wild); 18-25 years (captivity)
Bengal Tiger
114.000
196.000
295.000
25.00
45000
3D
Bengal Tiger
Bergamasco Sheepdog
Guide-2-A
Guide-1-C
5400
27”-31” | 69-79 cm
31”-35” | 79-89 cm
55-85 lb | 25-39 kg
13-15 years
Bergamasco Sheepdog
79.000
89.000
39.000
15.00
5400
3D
Bergamasco Sheepdog
Berger Picard
Guide-2-A
Guide-1-D
10000
28”-33” | 71-84 cm
33”-39” | 84-99 cm
50-70 lb | 23-32 kg
12-15 years
Berger Picard
84.000
99.000
32.000
15.00
10000
3D
Berger Picard
Bernese Mountain Dog
Guide-2-G
Guide-1-E
224000
30"-36" | 76-91 cm
35"-41.5" | 89-105 cm
70-115 lb | 32-52 kg
7-10 years
Bernese Mountain Dog
91.000
105.000
52.000
10.00
224000
3D
Bernese Mountain Dog
Bichon Frise
Guide-2-C
Guide-1-B
154000
13”-16” | 33-41 cm
18”-22” | 46-56 cm
12-18 lb | 5.4-8.2 kg
14-15 years
Bichon Frise
41.000
56.000
8.200
15.00
154000
3D
Bichon Frise
Biewer Terrier
Guide-2-H
Guide-1-A
14000
10”-15” | 25-38 cm
11”-17” | 28-43 cm
4-8 lb | 2-4 kg
12-16 years
Biewer Terrier
38.000
43.000
4.000
16.00
14000
3D
Biewer Terrier
Binturong
119400
13.4”-21.25” | 34-54 cm
10.2”-15.75” | 26-40 cm
23.6”-37.8” | 60-96 cm (Body)
19.8-52.9 lb | 9-24 kg
10-27 years
Binturong
54.000
40.000
96.000
24.000
27.00
119400
3D
Binturong
8”-10" | 20-25 cm
15”-18" | 38-46 cm
10-12 lb | 4.5-5.4 kg
13-15 years
Birman Cat
25.000
46.000
5.400
15.00
17000
3D
Birman Cat
5.7”-7.5” | 14.5-19 cm
3.3”-4.5” | 8.5-11.5 cm
9.1”-11.8” | 23-30 cm (Body)
1-1.54 lb | 450-700 g
4-5 years
Black & Rufous Elephant Shrew
19.000
11.500
30.000
0.700
5.00
320
3D
Black & Rufous Elephant Shrew
Black & Tan Coonhound
Guide-2-B
Guide-1-D
17000
31”-35” | 79-89 cm
34”-39” | 86-99 cm
55-75 lb | 25-34 kg
10-12 years
Black & Tan Coonhound
89.000
99.000
34.000
12.00
17000
3D
Black & Tan Coonhound
4.9’-6.2’ | 1.5-1.9 m
3’-3.6’ | .9-1.1 m
9.8’-12.3’ | 3-3.75 m
1,764-3,086 lb | 800-1,400 kg
30-50 years
Black Rhinoceros
190.000
110.000
375.000
1400.000
50.00
66000
3D
Black Rhinoceros
Black Russian Terrier
Guide-2-G
Guide-1-D
18000
34”-39” | 86-99 cm
35”-40” | 89-102 cm
80-130 lb | 36-59 kg
10-12 years
Black Russian Terrier
99.000
102.000
59.000
12.00
18000
3D
Black Russian Terrier
5.9”-7.3” | 15-18.5 cm
12”-16” | 31-41 cm
2-4 lb | .9-1.8 kg
3-5 years (wild); 8-10 years (captivity)
Black-Tailed Prairie Dog
18.500
41.000
1.800
10.00
800
3D
Black-Tailed Prairie Dog
Bloodhound
Guide-2-B
Guide-1-D
77000
29”-35” | 74-89 cm
32”-37” | 81-94 cm
80-130 lb | 36-59 kg
7-12 years
Bloodhound
89.000
94.000
59.000
12.00
77000
3D
Bloodhound
13’-16’ | 3.96-4.88 m
25.3’-31.8’ | 7.7-9.7 m
82’-105’ | 25-32 m
55-165 tons | 50-150 metric tons
80-90 years
Blue Whale
488.000
970.000
3200.000
150000.000
90.00
182000
3D
Blue Whale
Bluetick Coonhound
Guide-2-B
Guide-1-C
26000
27”-33” | 69-84 cm
32”-40” | 81-102 cm
45-85 lb | 20-39 kg
11-14 years
Bluetick Coonhound
84.000
102.000
39.000
14.00
26000
3D
Bluetick Coonhound
Boerboel
Guide-2-G
Guide-1-E
62000
28”-34” | 71-86 cm
31”-38” | 79-97 cm
120-175 lb | 54-79 kg
9-12 years
Boerboel
86.000
97.000
79.000
12.00
62000
3D
Boerboel
Bohemian Shepherd
Guide-2-I
Guide-1-C
3900
24”-27” | 61-69 cm
31”-36” | 79-91 cm
35-60 lb | 16-27 kg
9-14 years
Bohemian Shepherd
69.000
91.000
27.000
14.00
3900
3D
Bohemian Shepherd
Bolognese
Guide-2-I
Guide-1-A
19000
14”-16” | 36-41 cm
15”-18” | 33-46 cm
7-14 lb | 3-6 kg
12-14 years
Bolognese
41.000
46.000
6.000
14.00
19000
3D
Bolognese
11”-14” | 28-36 cm
13”-20” | 33-56 cm
6-11 lb | 2.7-5 kg
12-16 years
Bombay Cat
36.000
56.000
5.000
16.00
55000
3D
Bombay Cat
Border Collie
Guide-2-A
Guide-1-C
308000
22”-27” | 56-69 cm
28”-34” | 71-86 cm
27-45 lb | 12-20 kg
10-17 years
Border Collie
69.000
86.000
20.000
17.00
308000
3D
Border Collie
Border Terrier
Guide-2-E
Guide-1-B
51000
17”-20” | 43-51 cm
17”-20” | 43-51 cm
11-16 lb | 5-7 kg
12-15 years
Border Terrier
51.000
51.000
7.000
15.00
51000
3D
Border Terrier
8.17’-9.83’ | 2.5-3 m
3.94’-5.25’ | 1.2-1.6 m
10.17’-12.47’ | 3.1-3.8 m
6,000-10,000 | 2,720-4,535 kg
55-70 years
Borneo Pygmy Elephant
300.000
160.000
380.000
4535.000
70.00
1850
3D
Borneo Pygmy Elephant
Amazon River Dolphin (Inia geoffrensis)
Measured comparison illustration of the size of a Amazon River Dolphin to a typical person and similar species

The Amazon River Dolphin or boto or bufeo or pink dolphin are freshwater toothed whales under the family Iniidae existing mainly in the Amazon basin and also in some rivers of South America. Botos have a look of their own: usually pink with males being pinker and bigger than females. They have small dorsal fins, plump bodies, long skinny snouts, and small eyes. Botos love solo life, however, can also be found in small groups. Pink dolphins are active all day, inquisitive with large paddle-shaped flippers and lithe and maneuverable bodies. Also, pink dolphins have been associated with legends and also featured in mythology.

Amazon River Dolphins have a total length between 6.5’-8.5’ (1.98-2.59 m), body height of 14”-19” (37-48 cm), and width of 22”-29” (56-74 cm). The typical weight of the Amazon River Dolphin is in the range of 331-408 lb (150-185 kg). Amazon River Dolphin have lifespans between 25-30 years.

Scaled collection of drawings of Amazon River Dolphin in top and side poses
The Amazon River Dolphin or boto or bufeo or pink dolphin are freshwater toothed whales under the family Iniidae existing mainly in the Amazon basin and also in some rivers of South America. Botos have a look of their own: usually pink with males being pinker and bigger than females.

Amazon River Dolphins have a total length between 6.5’-8.5’ (1.98-2.59 m), body height of 14”-19” (37-48 cm), and width of 22”-29” (56-74 cm). The typical weight of the Amazon River Dolphin is in the range of 331-408 lb (150-185 kg). Amazon River Dolphin have lifespans between 25-30 years.

Scaled collection of drawings of Amazon River Dolphin in top and side poses
Amazon River Dolphin (Inia geoffrensis)
Height:
14”-19” | 37-48 cm
Width:
22”-29” | 56-74 cm
Length:
6.5’-8.5’ | 1.98-2.59 m
Depth:
Weight:
331-408 lb | 150-185 kg
Area:
Scientific Name
Inia geoffrensis
Lifespan
25-30 years

Drawings include:

Amazon River Dolphin side elevation, front, top

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Teddy Roosevelt Terrier
Comparison diagram of the Teddy Roosevelt Terrier dog breed in relation to the height of a typical person

The one important aspect about the Teddy Roosevelt Terrier is that it can easily adapt to different lifestyles. As a multipurpose dog, it can hunt vermin or be kept as a pet dog. This hunting terrier has origins in the United States and is usually small to medium-sized. The dog is muscular but with shorter legs. This gives it a low-set active profile. It possesses a wedged-shaped, slightly domed head, V-shaped ears that are either erect or button and most have docked tails. The coat color is solid white with patches of black. The Teddy Roosevelt Terrier is loyal, active, and affectionate with family members.

Teddy Roosevelt Terriers have a withers height between 8”-15” (20-38 cm) and a typical weight in the range of 10-25 lb (5-11 kg). The Teddy Roosevelt Terrier has an overall body length of roughly 16”-27” (41-69 cm), standing height between 12”-21” (30-53 cm), and a typical lifespan of 12-16 years.

Set of illustrations of the Teddy Roosevelt Terrier in seated and standing positions viewed from the side and front profiles
The one important aspect about the Teddy Roosevelt Terrier is that it can easily adapt to different lifestyles. As a multipurpose dog, it can hunt vermin or be kept as a pet dog. This hunting terrier has origins in the United States and is usually small to medium-sized.

Teddy Roosevelt Terriers have a withers height between 8”-15” (20-38 cm) and a typical weight in the range of 10-25 lb (5-11 kg). The Teddy Roosevelt Terrier has an overall body length of roughly 16”-27” (41-69 cm), standing height between 12”-21” (30-53 cm), and a typical lifespan of 12-16 years.

Set of illustrations of the Teddy Roosevelt Terrier in seated and standing positions viewed from the side and front profiles
Teddy Roosevelt Terrier
Height:
12”-21” | 30-53 cm
Width:
Length:
16”-27” | 41-69 cm
Depth:
Withers Height
8”-15” | 20-38 cm
Weight:
10-25 lb | 5-11 kg
Area:

Withers Height (Male): 10”-15” | 25-38 cm

Withers Height (Female): 8”-12” | 20-30 cm

Breed Size
Scientific Name
Lifespan
12-16 years

Drawings include:

Teddy Roosevelt Terrier side elevation (standing), front elevation (various), side (various)

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Rhodesian Ridgeback
Scaled comparison drawing of the Rhodesian Ridgeback dog breed compared to the size of an average person

The Rhodesian Ridgeback is a hunting dog from Zimbabwe; they have been previously known as Van Rooyen’s Lion Dog, African Lion Hound, or African Lion Dog. Its name references the ridge of hair that runs along the back in the opposite direction from the rest of the coat. The coat is short, dense, sleek, and glossy, and color variations are brindle, sable, and light wheaten to red wheaten. Other characteristics are its lean and muscular frame and its ears that have been described as both erect and hanging. The breed is known to be loyal and intelligent, but can be aloof to strangers.

Rhodesian Ridgebacks have a withers height between 24”-27” (61-69 cm) and a typical weight in the range of 65-85 lb (29-39 kg). The Rhodesian Ridgeback has an overall body length of roughly 38”-42” (97-107 cm), standing height between 33”-37” (84-94 cm), and a typical lifespan of 9-12 years.

Group of side and front elevation drawings of the Rhodesian Ridgeback in standing and seated postures
The Rhodesian Ridgeback is a hunting dog from Zimbabwe; they have been previously known as Van Rooyen’s Lion Dog, African Lion Hound, or African Lion Dog. Its name references the ridge of hair that runs along the back in the opposite direction from the rest of the coat.

Rhodesian Ridgebacks have a withers height between 24”-27” (61-69 cm) and a typical weight in the range of 65-85 lb (29-39 kg). The Rhodesian Ridgeback has an overall body length of roughly 38”-42” (97-107 cm), standing height between 33”-37” (84-94 cm), and a typical lifespan of 9-12 years.

Group of side and front elevation drawings of the Rhodesian Ridgeback in standing and seated postures
Rhodesian Ridgeback
Height:
33”-37” | 84-94 cm
Width:
Length:
38”-42” | 97-107 cm
Depth:
Withers Height
24”-27” | 61-69 cm
Weight:
65-85 lb | 29-39 kg
Area:

Withers Height (Male): 25”-27” | 64-69 cm
Withers Height (Female): 24”-26” | 61-66 cm

Breed Size
Scientific Name
Lifespan
9-12 years

Drawings include:

Rhodesian Ridgeback side elevation (standing), front elevation (various), side (various)

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Shih Tzu
Dimensioned comparison drawing of the Shih Tzu dog breed compared to an average person

A popular member of the toy group of dog breeds, the Shih Tzu is a small, easy-going dog ranging from nine to sixteen pounds and is famous for its exceptionally long, silky, hair-like coat. Originating in China with evidence of its popularity in the Forbidden City, this little pooch was treasured in the Chinese court and regarded as a holy messenger. Bred to be a companion, the Shih Tzu is known for its relaxed and pleasant demeanor, though can be stubborn at times. Having your Shih Tzu groomed on a regular basis is a must, and stylish hair pins and bows can help keep hair out of your furry friend’s eyes.

Shih Tzus have a withers height between 9”-10.5” (23-27 cm) and a weight in the range of 9-16 lb (4.1-7.3 kg). The Shih Tzu has an overall body length of roughly 15”-17.5” (38-44 cm), standing height of 13”-15” (33-38 cm), and a typical lifespan of 10-18 years.

Pair of side elevation drawings of the Shih Tzu in standing and seated postures
A popular member of the toy group of dog breeds, the Shih Tzu is a small, easy-going dog ranging from nine to sixteen pounds and is famous for its exceptionally long, silky, hair-like coat. Originating in China, this little pooch was treasured in the Chinese court and regarded as a holy messenger.

Shih Tzus have a withers height between 9”-10.5” (23-27 cm) and a weight in the range of 9-16 lb (4.1-7.3 kg). The Shih Tzu has an overall body length of roughly 15”-17.5” (38-44 cm), standing height of 13”-15” (33-38 cm), and a typical lifespan of 10-18 years.

Pair of side elevation drawings of the Shih Tzu in standing and seated postures
Shih Tzu
Height:
13”-15” | 33-38 cm
Width:
Length:
15”-17.5” | 38-44 cm
Depth:
Withers Height
9”-10.5” | 23-27 cm
Weight:
9-16 lb | 4.1-7.3 kg
Area:

Coat Color: All colors

Temperament: Outgoing, happy, affectionate, trusting

Breed Size
Small
Scientific Name
Lifespan
10-18 years

Drawings include:

Shih Tzu side elevation (standing), side (sitting), front (standing), front (sitting), side (lying down)

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Toy Fox Terrier
Comparison diagram of the Toy Fox Terrier dog breed in relation to the height of a typical person

Because of its amusing toy-dog personality, appearance, intelligence, and behavior, admirers call it both a toy and a terrier. The Toy Fox Terrier’s large black eyes sparkling with eager intelligence is well-balanced with its small athletic appearance that comes with equal strength and stamina. The head is solid, tail shorter and set high, ears are v-shaped, coat predominantly white but may spot a black tan on the face, back, and rear of the body. Since the Toy Fox terrier is naturally well-groomed, alert, lovable, loyal, and proud, it makes a wonderful companion for senior citizens and those with disabilities.

Toy Fox Terriers have a withers height between 8.5”-11.5” (22-29 cm) and a typical weight in the range of 4-7 lb (2-3 kg). The Toy Fox Terrier has an overall body length of roughly 12”-17” (30-43 cm), standing height between 11”-15” (28-38 cm), and a typical lifespan of 12-14 years.

Seated and standing side and front elevation drawings of the Toy Fox Terrier dog breed
Because of its amusing toy-dog personality, appearance, intelligence, and behavior, admirers call it both a toy and a terrier. The Toy Fox Terrier’s large black eyes sparkling with eager intelligence is well-balanced with its small athletic appearance that comes with equal strength and stamina.

Toy Fox Terriers have a withers height between 8.5”-11.5” (22-29 cm) and a typical weight in the range of 4-7 lb (2-3 kg). The Toy Fox Terrier has an overall body length of roughly 12”-17” (30-43 cm), standing height between 11”-15” (28-38 cm), and a typical lifespan of 12-14 years.

Seated and standing side and front elevation drawings of the Toy Fox Terrier dog breed
Toy Fox Terrier
Height:
11”-15” | 28-38 cm
Width:
Length:
12”-17” | 30-43 cm
Depth:
Withers Height
8.5”-11.5” | 22-29 cm
Weight:
4-7 lb | 2-3 kg
Area:

Withers Height (Male): 10”-11.5” | 25-29 cm

Withers Height (Female): 8.5”-10” | 22-25 cm

Breed Size
Scientific Name
Lifespan
12-14 years

Drawings include:

Toy Fox Terrier side elevation (standing), front elevation (various), side (various)

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