As estuaries are areas where fresh and saltwater mix, they are made of many different types of habitats. These habitats include oyster reefs, coral reefs, rocky shores, submerged aquatic vegetation, marshes, and mangroves. Different animals live in each of these different habitats like fish, shellfish, migratory birds, and many more. This diversity makes the food webs complex, and they also rely on the ecosystem as a place to nest and breed. As the salinity of the water changes constantly over the tidal cycle, plants and animals that live in estuaries have developed adaptations to respond quickly to the drastic changes.

How do animals survive in estuaries?

Animals survive in estuaries by adapting to the harsh conditions of their habitat. Estuaries either have salt water or fresh water. Animals survive by adapting to live in the different types of conditions and remaining in the regions of the estuaries where they are most comfortable and have consistency.

Why do fish lay eggs in estuaries?

Fish lay eggs in estuaries because these habitats offer a great amount of food availability for the development of young fish while also providing protection from predators. Estuaries are often used as breeding grounds by many species of fish due to these factors and are considered highly valuable.

Why are estuaries important for birds?

Estuaries are important for birds because estuaries offer a mix of nutrients from both the land and sea, creating a rich ecosystem. Since estuaries house numerous species of fish, they also create a food source for birds. Birds also use the beaches next to estuaries for feeding, resting, and breeding.

Estuary Animals Guides
Browse through our curated Estuary Animals Guides for additional categorizations, tips, details, variations, styles, and histories of Estuary Animals. Guides provide additional insights into the unique properties and shared relationships between elements.
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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
GUIDE
3D
Amazonian Manatee
13.4”-17.7” | 34-45 cm
26.8”-29.9” | 68-76 cm (Wingspan)
15.75”-20.1” | 40-51 cm
.6-.93 lb | .27-.42 kg
9-15 years
American Avocet
45.000
76.000
51.000
0.420
15.00
2940
GUIDE
3D
American Avocet
1.2”-2.4” | 3-6 cm
20”-40” | 51-102 cm
13-17 lb | 6-7.7 kg
15-40 years
American Eel
6.000
102.000
7.700
40.00
10000
GUIDE
3D
American Eel
47.2”-57” | 120-145 cm
51.2”-65” | 130-165 cm (Wingspan)
47.2”-57” | 120-145 cm
4.85-7.94 lb | 2.2-3.6 kg
20-50 years
American Flamingo
145.000
165.000
145.000
3.600
50.00
8100
GUIDE
3D
American Flamingo
13.4”-16.7” | 34-42.5 cm
47.2”-61” | 120-155 cm (Wingspan)
20.9”-26” | 53-66 cm
1.3-3.6 lb | .6-1.65 kg
20-32 years
American Herring Gull
42.500
155.000
66.000
1.650
32.00
190
GUIDE
3D
American Herring Gull
34”-47” | 86-119 cm
5.92’-7.83’ | 1.8-2.39 m
70-180 lb | 32-82 kg
25-35 years
Angel Shark
119.000
239.000
82.000
35.00
21200
GUIDE
3D
Angel Shark
12”-18” | 30.5-46 cm
11.4”-17.7” | 29-45 cm (Disc)
6.6-13.2 lb | 3-6 kg
8-10 years
Atlantic Stingray
46.000
45.000
6.000
10.00
1705
GUIDE
3D
Atlantic Stingray
12”-19” | 30.5-48 cm
5’-8’ | 152-244 cm
60-280 lb | 27-127 kg
30-55 years
Atlantic Tarpon
48.000
244.000
127.000
55.00
700
GUIDE
3D
Atlantic Tarpon
12.6”-15” | 32-38 cm
27.6”-32.3” | 70-82 cm (Wingspan)
14.6”-17.3” | 37-44 cm
.42-.88 lb | .19-.4 kg
10-24 years
Black-Tailed Godwit
38.000
82.000
44.000
0.400
24.00
1000
GUIDE
3D
Black-Tailed Godwit
15.75”-19.1” | 40-48.5 cm
28”-32.7” | 71-83 cm (Wingspan)
13”-15.75” | 33-40 cm
.33-.44 lb | .15-.2 kg
10-20 years
Black-Winged Stilt
48.500
83.000
40.000
0.200
20.00
1150
GUIDE
3D
Black-Winged Stilt
7.5”-11.4” | 19-29 cm
4.92’-8’ | 1.5-2.44 m
150-270 lb | 68-122 kg
12-16 years
Blacktip Shark
29.000
244.000
122.000
16.00
19200
GUIDE
3D
Blacktip Shark
7.5”-9.4” | 19-24 cm
20”-24” | 51-61 cm (Wingspan)
13”-16” | 33-41 cm
.6-1.2 lb | .27-.55 kg
3-18 years
Bufflehead
24.000
61.000
41.000
0.550
18.00
21060
GUIDE
3D
Bufflehead
7’-11.5” | 2.1-3.5 m
400-700 lb | 181-318 kg
12-25 years
Bull Shark
350.000
318.000
25.00
56000
GUIDE
3D
Bull Shark
.6”-1.7” | 1.4-4.4 cm
1.2”-3.9” | 3-10 cm (Carapace)
1”-3” | 2.5-7.5 cm (Carapace)
1.6-5.6 oz | 45-160 g
2-5 years
Chinese Mitten Crab
4.400
10.000
7.500
0.160
5.00
6150
GUIDE
3D
Chinese Mitten Crab
10.2”-18.1” | 26-46 cm
16”-28” | 41-71 cm
13.2-28.7 lb | 6-13 kg
16-24 years
Coffin Ray
46.000
71.000
13.000
24.00
2800
GUIDE
3D
Coffin Ray
11.4”-14.6” | 29-37 cm
34”-38” | 86-97 cm (Wingspan)
22”-28” | 56-71 cm
2-4.6 lb | .9-2.1 kg
11-15 years
Common Merganser
37.000
97.000
71.000
2.100
15.00
13350
GUIDE
3D
Common Merganser
4.5”-5.7” | 11.5-14.5 cm
13.8”-15.75” | 35-40 cm (Wingspan)
7.5”-9.4” | 19-24 cm
.09-.13 lb | .04-.06 kg
10-15 years
Common Sandpiper
14.500
40.000
24.000
0.060
15.00
5700
GUIDE
3D
Common Sandpiper
.4”-1” | 1-2.5 cm
2.75”-6.7” | 7-17 cm;
1-4 years
Common Seahorse
2.500
17.000
4.00
240800
GUIDE
3D
Common Seahorse
4.7”-5.3” | 12-13.5 cm
15.75”-18.5” | 40-47 cm (Wingspan)
9.8”-11” | 25-28 cm
.18-.4 lb | .08-.18 kg
10-18 years
Common Snipe
13.500
47.000
28.000
0.180
18.00
6500
GUIDE
3D
Common Snipe
5.1”-5.9” | 13-15 cm
7”-8” | 18-20 cm
4-10 years
Copperband Butterflyfish
15.000
20.000
10.00
3700
GUIDE
3D
Copperband Butterflyfish
30”-45” | 76-114 cm
18.9”-28.3” | 48-72 cm (Disc)
26.5-50.7 lb | 12-23 kg
13-18 years
Cownose Ray
114.000
72.000
23.000
18.00
12200
GUIDE
3D
Cownose Ray
19.9”-25.4” | 50.5-64.5 cm
44.9”-48.4” | 114-123 cm (Wingspan)
27.6”-35.4” | 70-90 cm
2.6-5.5 lb | 1.2-2.5 kg
6-22 years
Double-Crested Cormorant
64.500
123.000
90.000
2.500
22.00
300
GUIDE
3D
Double-Crested Cormorant
Dugong
302300
1.9’-3.1’ | 58-95 cm
3’-5’ | 93-153 cm
8’-13’ | 2.4-4 m
507-838 lb | 230-380 kg
50-70 years
Dugong
95.000
153.000
400.000
380.000
70.00
302300
GUIDE
3D
Dugong
9.5”-2.6” | 2.4-6.6 cm
1.77”-4.92” | 4.5-12.5 cm
3”-8” | 7.6-20.3 cm
.88-1.98 lb | .4-.9 kg
10-20 years
Eastern Oyster
6.600
12.500
20.300
0.900
20.00
2000
GUIDE
3D
Eastern Oyster
7.5”-8.7” | 19-22 cm
21.7”-23.6” | 55-60 cm (Wingspan)
13”-15” | 33-38 cm
.51-.93 lb | .23-.42 kg
10-15.5 years
Eurasian Woodcock
22.000
60.000
38.000
0.420
15.50
2000
GUIDE
3D
Eurasian Woodcock
1.6”-2.75” | 4-7 cm
24”-39” | 61-99 cm
3-8 lb | 1.4-3.6 kg
15-20 years
European Eel
7.000
99.000
3.600
20.00
9500
GUIDE
3D
European Eel
Gadwall
14040
11”-13.4” | 28-34 cm
31”-35” | 79-89 cm (Wingspan)
18”-22” | 46-56 cm
1.2-2.2 lb | .55-1 kg
10-28 years
Gadwall
34.000
89.000
56.000
1.000
28.00
14040
GUIDE
3D
Gadwall
6.25’-8’ | 1.91-2.44 m
6.6’-8.5’ | 2-2.6 m (Disc)
794-1,323 lb | 360-600 kg
5-10 years
Giant Freshwater Stingray
244.000
260.000
600.000
10.00
2620
GUIDE
3D
Giant Freshwater Stingray
3.5”-5.1” | 9-13 cm
59”-79” | 1.5-2 m
44-62 lb | 20-28 kg
20-40 years
Giant Mottled Eel
13.000
200.000
28.000
40.00
1050
GUIDE
3D
Giant Mottled Eel
10”-20” | 25.4-50.8 cm
33”-67” | 85-170 cm
33-132 lb | 15-60 kg
10-25 years
Giant Trevally
50.800
170.000
60.000
25.00
4700
GUIDE
3D
Giant Trevally
43.3”-59” | 110-150 cm
55.1”-66.9” | 140-170 cm (Wingspan)
43.3”-59” | 110-150 cm
4.4-9.9 lb | 2-4.5 kg
30-60 years
Greater Flamingo
150.000
170.000
150.000
4.500
60.00
18300
GUIDE
3D
Greater Flamingo
5.7”-6.7” | 14.5-17 cm
18.9”-20.1” | 48-51 cm (Wingspan)
9.1”-10.6” | 23-27 cm
.18-.26 lb | .08-.12 kg
13-15 years
Grey-Tailed Tattler
17.000
51.000
27.000
0.120
15.00
140
GUIDE
3D
Grey-Tailed Tattler
3.3”-3.9” | 8.5-10 cm
8.3”-9.8” | 21-25 cm
.9-1.2 oz | .02-.03 kg
15-20 years
Hairy Frogfish
10.000
25.000
0.030
20.00
5250
GUIDE
3D
Hairy Frogfish
51”-83” | 1.3-2.1 m
39”-59” | 1-1.5 m
9.5’-16.5’ | 2.9-5.05 m
2,866-7,055 lb | 1,300-3,200 kg
36-50 years
Hippopotamus
210.000
150.000
505.000
3200.000
50.00
603000
GUIDE
3D
Hippopotamus
9.8”-12.2” | 25-31 cm
23”-28” | 58-71 cm (Wingspan)
15.75”-19.3” | 40-49 cm
1-1.9 lb | .45-.88 kg
11-16 years
Hooded Merganser
31.000
71.000
49.000
0.880
16.00
27070
GUIDE
3D
Hooded Merganser
3.1”-4.7” | 8-12 cm
39”-51” | 99-130 cm
6.6-8.8 lb | 3-4 kg
15-20 years
Japanese Eel
12.000
130.000
4.000
20.00
7800
GUIDE
3D
Japanese Eel
5.9”-7.9” | 15-20 cm
18.1”-18.9” | 46-48 cm (Wingspan)
7.9”-10.6” | 20-27 cm
.17-.28 lb | .075-.128 kg
10-12 years
Killdeer
20.000
48.000
27.000
0.128
12.00
42250
GUIDE
3D
Killdeer
3.15”-5.51” | 8-14 cm
3.15”-5.91” | 8-15 cm
5”-9” | 12.7-22.9 cm
.88-1.98 lb | .4-.9 kg
10-15 years
Knobbed Whelk
14.000
15.000
22.900
0.900
15.00
860
GUIDE
3D
Knobbed Whelk
4’-7’ | 1.2-2.1 m
35-45 lb | 16-20 kg
20-30 years
Leopard Shark
210.000
20.000
30.00
15000
GUIDE
3D
Leopard Shark
12.6”-18.1” | 32-46 cm
24”-33.5” | 61-85 cm (Carapace)
30”-42” | 76-107 cm (Carapace)
154-375 lb | 70-170 kg
45-60 years (wild); 50-77 years (captivity)
Loggerhead Sea Turtle
46.000
85.000
107.000
170.000
77.00
43000
GUIDE
3D
Loggerhead Sea Turtle
Mallard
105400
12.6”-17.7” | 32-45 cm
32”-39” | 81-99 cm (Wingspan)
19.7”-28” | 50-71 cm
1.5-3.5 lb | .7-1.6 kg
5-29 years
Mallard
45.000
99.000
71.000
1.600
29.00
105400
GUIDE
3D
Mallard
1.8”-2.4” | 4.5-6 cm
5.1”-7.1” | 13-18 cm
11.8”-15.75” | 30-40 cm
2.2-10 lb | 1-4.5 kg
12-20 years
Mangrove Horseshoe Crab
6.000
18.000
40.000
4.500
20.00
230
GUIDE
3D
Mangrove Horseshoe Crab
14.2”-18.1” | 36-46 cm
54”-60” | 137-152 cm (Wingspan)
26”-33.1” | 66-84 cm
6-15 lb | 2.72-6.8 kg
6-15 years
Muscovy Duck
46.000
152.000
84.000
6.800
15.00
68000
GUIDE
3D
Muscovy Duck
33.1”-42.9” | 84-109 cm
59”-94” | 150-239 cm (Wingspan)
49.2”-63” | 125-160 cm
19-26 lb | 8.62-11.79 kg
15-25 years
Mute Swan
109.000
239.000
160.000
11.790
25.00
24800
GUIDE
3D
Mute Swan
5.1”-7.3” | 13-18.5 cm
18.9”-20.1” | 48-51 cm (Wingspan)
6.7”-9.4” | 17-24 cm
.19-.32 lb | .087-.145 kg
3-6.5 years
Northern Jacana
18.500
51.000
24.000
0.145
6.50
2950
GUIDE
3D
Northern Jacana
Osprey
444000
11.4”-16.3” | 29-41.5 cm
50”-70.9” | 127-180 cm (Wingspan)
16.9”-24” | 43-61 cm
2.4-4.4 lb | 1.1-2 kg
25-32 years
Osprey
41.500
180.000
61.000
2.000
32.00
444000
GUIDE
3D
Osprey
5.5”-7.1” | 14-18 cm
11”-14.2” | 28-36 cm (Wingspan)
5.9”-7.5” | 15-19 cm
.09-.21 lb | .04-.095 kg
3-13.5 years
Plains Wanderer
18.000
36.000
19.000
0.095
13.50
1140
GUIDE
3D
Plains Wanderer
Platypus
759400
3.9”-6.7” | 10-17 cm
3.5”-6.3” | 9-16 cm
15”-24.8” | 38-63 cm (Overall)
1.8-6.6 lb | .8-3 kg
7-21 years
Platypus
17.000
16.000
63.000
3.000
21.00
759400
GUIDE
3D
Platypus
.8”-1.4” | 2-3.5 cm
2”-3.4” | 5-8.7 cm (Carapace)
1.8”-3.1” | 4.6-8 cm (Carapace)
.8-2 lb | .36-.91 kg
8-12 years
Red Rock Crab
3.500
8.700
8.000
0.910
12.00
3800
GUIDE
3D
Red Rock Crab
8.9”-10.6” | 22.5-27 cm
31”-33” | 79-84 cm (Wingspan)
16.9”-20.9” | 43-53 cm
1.5-3.2 lb | .68-1.45 kg
10-23 years
Redhead Duck
27.000
84.000
53.000
1.450
23.00
5860
GUIDE
3D
Redhead Duck
12.2”-15.2” | 31-38.5 cm
41”-50” | 104-127 cm (Wingspan)
16.9”-21.25” | 43-54 cm
.7-1.5 lb | .3-.7 kg
10-25 years
Ring-Billed Gull
38.500
127.000
54.000
0.700
25.00
550
GUIDE
3D
Ring-Billed Gull
4.3”-4.9” | 11-12.5 cm
18.9”-22.4” | 48-57 cm (Wingspan)
6.7”-7.9” | 17-20 cm
.11-.17 lb | .05-.075 kg
5-10 years
Ringed Plover
12.500
57.000
20.000
0.075
10.00
2700
GUIDE
3D
Ringed Plover
13”-16.5” | 33-41.9 cm
48”-63” | 122-160 cm
25-80 lb | 11-36 kg
20-35 years
Roosterfish
41.900
160.000
36.000
35.00
3000
GUIDE
3D
Roosterfish
7.9”-10” | 20-25.5 cm
22”-25” | 56-64 cm (Wingspan)
13.4”-16.9” | 34-43 cm
.8-1.8 lb | .35-.8 kg
13-20 years
Ruddy Duck
25.500
64.000
43.000
0.800
20.00
20300
GUIDE
3D
Ruddy Duck
Sea Otter
117000
12.2”-18.5” | 31-47 cm
10.2”-15.75” | 26-40 cm
29.5”-45.3” | 75-115 cm
31-99 lb | 14-45 kg
10-23 years
Sea Otter
47.000
40.000
115.000
45.000
23.00
117000
GUIDE
3D
Sea Otter
6.7”-9.25” | 17-23.5 cm
17.7”-22” | 45-56 cm (Wingspan)
9.1”-12.6” | 23-32 cm
.14-.39 lb | .065-.154 kg
7-13 years
Short-Billed Dowitcher
23.500
56.000
32.000
0.154
13.00
1250
GUIDE
3D
Short-Billed Dowitcher
11.8”-22” | 30-56 cm
30”-54” | 76-137 cm
40-48.5 lb | 18-22 kg
11-16 years
Shovelnose Guitarfish
56.000
137.000
22.000
16.00
2810
GUIDE
3D
Shovelnose Guitarfish
2.4”-3.1” | 6-8 cm
11.5’-13.1’ | 3.5-4 m
29-60 lb | 13-27 kg
10-40 years
Slender Giant Moray
8.000
400.000
27.000
40.00
90
GUIDE
3D
Slender Giant Moray
8.7”-10.4” | 22-26.5 cm
39.4”-47.2” | 100-120 cm (Wingspan)
14.2”-16.9” | 36-43 cm
.66-1.26 lb | .3-.57 kg
9-14 years
Snail Kite
26.500
120.000
43.000
0.570
14.00
2450
GUIDE
3D
Snail Kite
18.9”-24.8” | 48-63 cm
53”-65” | 135-165 cm (Wingspan)
25.2”-33.1” | 64-84 cm
4.4-7.1 lb | 2-3.2 kg
15-25 years
Snow Goose
63.000
165.000
84.000
3.200
25.00
22300
GUIDE
3D
Snow Goose
12.2”-14.8” | 31-37.5 cm
22”-27.6” | 56-70 cm (Wingspan)
12.6”-15” | 32-38 cm
.55-.94 lb | .25-.425 kg
10-13 years
Southern Lapwing
37.500
70.000
38.000
0.425
13.00
4700
GUIDE
3D
Southern Lapwing
.04”-.06” | .9-1.4 mm
.05”-.07” | 1.2-1.8 mm
.39”-.59” | 10-15 mm
1-2 weeks
Spiny Water Flea
0.140
0.180
1.500
0.04
1460
GUIDE
3D
Spiny Water Flea
6.5’-7.4’ | 200-225 cm
6.5’-7.4’ | 200-225 cm
26’-30’ | 7.9-9.1 m
16,000-20,000 lb | 7,260-9,070 kg
50-80 years
Steller's Sea Cow
225.000
225.000
910.000
9070.000
80.00
4700
GUIDE
3D
Steller's Sea Cow
37.8”-46.5” | 96-118 cm
72”-102” | 183-259 cm (Wingspan)
57.1”-70.9” | 145-180 cm
15.4-30 lb | 7-13.6 kg
24-35 years
Trumpeter Swan
118.000
259.000
180.000
13.600
35.00
13100
GUIDE
3D
Trumpeter Swan
29.5”-37.8” | 75-96 cm
72”-84” | 183-213 cm (Wingspan)
45.3”-59.1” | 115-150 cm
7.5-21.2 lb | 3.4-9.6 kg
15-24 years
Tundra Swan
96.000
213.000
150.000
9.600
24.00
9350
GUIDE
3D
Tundra Swan
9.6”-11.4” | 24.5-29 cm
15.75”-20.1” | 40-51 cm (Wingspan)
8.3”-9.8” | 21-25 cm
.19-.32 lb | .085-.145 kg
3-6.5 years
Wattled Jacana
29.000
51.000
25.000
0.145
6.50
2000
GUIDE
3D
Wattled Jacana
2.1’-2.8’ | 65-85 cm
2.8’-3.6’ | 85-110 cm
10’-13’ | 3-4 m
794-1,653 lb | 360-750 kg
20-30 years
West African Manatee
85.000
110.000
400.000
750.000
30.00
260
GUIDE
3D
West African Manatee
2.3’-3.5’ | 70-107 cm
2.8’-4.3’ | 85-130 cm
10’-14.75’ | 3-4.5 m
794-1,190 lb | 360-540 kg
25-30 years
West Indian Manatee
107.000
130.000
450.000
540.000
30.00
5200
GUIDE
3D
West Indian Manatee
Trumpeter Swan (Cygnus buccinator)
Comparison drawing of the Trumpeter Swan compared to other waterfowl

The Trumpeter Swan (Cygnus buccinator) is a North American swan species and the heaviest living bird native to North America. Its name is in reference to the swan’s cry which is loud, musical, and similar to the sound of a trumpet. The plumage of an adult swan is entirely white; it has a large, wedge-shaped black bill that is sometimes minimally lined with salmon-pink around the mouth. They breed in large shallow ponds, undisturbed lakes, wetlands, and wide slow rivers in northwestern and central North America, and in the winter they migrate to the southern tier of Canada and parts of the United States.

The Trumpeter Swan has a wingspan in the range of 72”-102” (183-259 cm) and total weight of 15.4-30 lb (7-13.6 kg). The body of the Trumpeter Swan has an overall length between 57.1”-70.9” (145-180 cm), body width of 13”-16.1” (33-41 cm), and standing height of roughly 37.8”-46.5” (96-118 cm). The typical lifespan of the Trumpeter Swan is between 24-35 years.

Set of scaled top and elevation drawings of the Trumpeter Swan
The Trumpeter Swan (Cygnus buccinator) is a North American swan species and the heaviest living bird native to North America. Its name is in reference to the swan’s cry which is loud, musical, and similar to the sound of a trumpet. The plumage of an adult swan is entirely white.

The Trumpeter Swan has a wingspan in the range of 72”-102” (183-259 cm) and total weight of 15.4-30 lb (7-13.6 kg). The body of the Trumpeter Swan has an overall length between 57.1”-70.9” (145-180 cm), body width of 13”-16.1” (33-41 cm), and standing height of roughly 37.8”-46.5” (96-118 cm). The typical lifespan of the Trumpeter Swan is between 24-35 years.

Set of scaled top and elevation drawings of the Trumpeter Swan
Trumpeter Swan (Cygnus buccinator)
Height:
37.8”-46.5” | 96-118 cm
Width:
72”-102” | 183-259 cm (Wingspan)
Length:
57.1”-70.9” | 145-180 cm
Depth:
Weight:
15.4-30 lb | 7-13.6 kg
Area:

Body Width: 13”-16.1” | 33-41 cm

Scientific Name
Cygnus buccinator
Lifespan
24-35 years

Drawings include:

Trumpeter Swan side view, front, flying (assorted)

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Wattled Jacana (Jacana jacana)
Scale illustration of an average Wattled Jacana compared to other shorebird species

The Wattled Jacana (Jacana jacana) is a tropical shorebird that breeds from western Panama and Trinidad south through most of South America east of the Andes. Their preferred habitat is shallow lakes, as their large feet and claws enable them to walk on floating vegetation. The species is recognized by their chestnut back and wing coverts. The rest of the body is black, and in flight the green-yellow flight feathers are obvious; they also have yellow bony spurs, a yellow bill, a red head shield, and a red wattle. The Wattled Jacana eats mostly insects, other invertebrates, and seeds picked up from the floating vegetation on the surface of the water.

The Wattled Jacana has a wingspan in the range of 15.75”-20.1” (40-51 cm) and total weight of .19-.32 lb (.085-.145 kg). The body of the Wattled Jacana has an overall length between 8.3”-9.8” (21-25 cm), body width of 3.1”-3.9” (8-10 cm), and standing height of roughly 9.6”-11.4” (24.5-29 cm). The typical lifespan of the Wattled Jacana is between 3-6.5 years.

Series of measured illustrations of the Wattled Jacana
The Wattled Jacana (Jacana jacana) is a tropical shorebird that breeds from western Panama and Trinidad south through most of South America east of the Andes. Their preferred habitat is shallow lakes, as their large feet and claws enable them to walk on floating vegetation.

The Wattled Jacana has a wingspan in the range of 15.75”-20.1” (40-51 cm) and total weight of .19-.32 lb (.085-.145 kg). The body of the Wattled Jacana has an overall length between 8.3”-9.8” (21-25 cm), body width of 3.1”-3.9” (8-10 cm), and standing height of roughly 9.6”-11.4” (24.5-29 cm). The typical lifespan of the Wattled Jacana is between 3-6.5 years.

Series of measured illustrations of the Wattled Jacana
Wattled Jacana (Jacana jacana)
Height:
9.6”-11.4” | 24.5-29 cm
Width:
15.75”-20.1” | 40-51 cm (Wingspan)
Length:
8.3”-9.8” | 21-25 cm
Depth:
Weight:
.19-.32 lb | .085-.145 kg
Area:

Body Width: 3.1”-3.9” | 8-10 cm

Scientific Name
Jacana jacana
Lifespan
3-6.5 years

Drawings include:

Wattled Jacana side view, front, flying (assorted)

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Killdeer (Charadrius vociferus)
Scale illustration of an average Killdeer compared to other shorebird species

The Killdeer (Charadrius vociferous) is a shorebird that lives in the Americas. There are three subspecies from southeastern Alaska and southern Canada to Mexico. They choose open fields with short vegetation when breeding, and non-breeding habitats include coastal wetlands, beach habitats, and coastal fields. Some physical traits are mostly brown upperparts with rufous fringes, head with white and back patches, and a white breast and belly with two black breast bands. They mostly forage in fields during the day, but in non-breeding season, the species primarily forages at night; their diet consists mostly of insects, but other invertebrates and seeds are consumed.

The Killdeer has a wingspan in the range of 18.1”-18.9” (46-48 cm) and total weight of .17-.28 lb (.075-.128 kg). The body of the Killdeer has an overall length between 7.9”-10.6” (20-27 cm), body width of 3”-3.9” (7.5-10 cm), and standing height of roughly 5.9”-7.9” (15-20 cm). The typical lifespan of the Killdeer is between 10-12 years.

Series of measured illustrations of the Killdeer
The Killdeer (Charadrius vociferous) is a shorebird that lives in the Americas. There are three subspecies from southeastern Alaska and southern Canada to Mexico. They choose open fields with short vegetation when breeding, and non-breeding habitats include coastal wetlands and beach habitats.

The Killdeer has a wingspan in the range of 18.1”-18.9” (46-48 cm) and total weight of .17-.28 lb (.075-.128 kg). The body of the Killdeer has an overall length between 7.9”-10.6” (20-27 cm), body width of 3”-3.9” (7.5-10 cm), and standing height of roughly 5.9”-7.9” (15-20 cm). The typical lifespan of the Killdeer is between 10-12 years.

Series of measured illustrations of the Killdeer
Killdeer (Charadrius vociferus)
Height:
5.9”-7.9” | 15-20 cm
Width:
18.1”-18.9” | 46-48 cm (Wingspan)
Length:
7.9”-10.6” | 20-27 cm
Depth:
Weight:
.17-.28 lb | .075-.128 kg
Area:

Body Width: 3”-3.9” | 7.5-10 cm

Scientific Name
Charadrius vociferus
Lifespan
10-12 years

Drawings include:

Killdeer side view, front, flying (assorted)

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Giant Mottled Eel (Anguilla marmorata)
Scale illustration of an average Giant Mottled Eel compared to a human and other eel species

The Giant Mottled eel (Anguilla marmorata) is not just the most widely distributed of the eel but also among the largest species. It is also called marbled eel and belongs to the family Anguillidae. The giant mottled is national to Indo-Pacific and adjacent freshwater environments. Like most eels, it is catadromous and distinguished from other eels by its mottled complexion, teeth patterns, and long dorsal fin. A protruding lower jaw, well-developed pectoral fins, and cylindrical body enable the fish to live at the belly of fresh and brackish water. Interestingly, its sex glands do not grow in freshwater but as they move to river mouths.

Giant Mottled Eels have a total length between 59”-79” (1.5-2 m) and body height of 3.5”-5.1” (9-13 cm). The typical weight of the Giant Mottled Eel is in the range of 44-62 lb (20-28 kg). Giant Mottled Eels have lifespans between 20-40 years.

Series of elevation illustrations of the Giant Mottled Eel
The Giant Mottled eel (Anguilla marmorata) is not just the most widely distributed of the eel but also among the largest species. It is also called marbled eel and belongs to the family Anguillidae. The giant mottled is national to Indo-Pacific and adjacent freshwater environments.

Giant Mottled Eels have a total length between 59”-79” (1.5-2 m) and body height of 3.5”-5.1” (9-13 cm). The typical weight of the Giant Mottled Eel is in the range of 44-62 lb (20-28 kg). Giant Mottled Eels have lifespans between 20-40 years.

Series of elevation illustrations of the Giant Mottled Eel
Giant Mottled Eel (Anguilla marmorata)
Height:
3.5”-5.1” | 9-13 cm
Width:
Length:
59”-79” | 1.5-2 m
Depth:
Weight:
44-62 lb | 20-28 kg
Area:
Scientific Name
Anguilla marmorata
Lifespan
20-40 years

Drawings include:

Giant Mottled Eel side elevation, side (perspective), front, top

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European Eel (Anguilla anguilla)
Dimensioned comparison drawing of the European Eel compared to an average person and other eels

The European eel (Anguilla Anguilla) may be the only nomadic fish among the eel because of the tremendous trip it makes from Europe to Bermuda to spawn. Not only that, but it also shows different life stages: glass eel, Elver, Yellow eel, and Silver eel, each taking place in varied habitats. Like other eels, it possesses a snake-like body, one pair of small pectoral fin, secretive and nocturnal, preferring under rocks, and burrowing into the mud. This catadromous fish belongs to the family Anguillidae, native to the European coast from Russia to Morocco, and is a well-known powerful swimmer and climber.

European Eels have a total length between 24”-39” (61-99 cm) and body height of 1.6”-2.75” (4-7 cm). The typical weight of the European Eel is in the range of 3-8 lb (1.4-3.6 kg). European Eels have lifespans between 15-20 years.

Set of scaled elevation drawings of the European Eel
The European eel (Anguilla Anguilla) may be the only nomadic fish among the eel because of the tremendous trip it makes from Europe to Bermuda to spawn. Not only that, but it also shows different life stages: glass eel, Elver, Yellow eel, and Silver eel, each taking place in varied habitats.

European Eels have a total length between 24”-39” (61-99 cm) and body height of 1.6”-2.75” (4-7 cm). The typical weight of the European Eel is in the range of 3-8 lb (1.4-3.6 kg). European Eels have lifespans between 15-20 years.

Set of scaled elevation drawings of the European Eel
European Eel (Anguilla anguilla)
Height:
1.6”-2.75” | 4-7 cm
Width:
Length:
24”-39” | 61-99 cm
Depth:
Weight:
3-8 lb | 1.4-3.6 kg
Area:
Scientific Name
Anguilla anguilla
Lifespan
15-20 years

Drawings include:

European Eel side elevation, side (perspective), front, top

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