Estuary Animals

Estuary Animals

Description
Description

Estuary animals are diverse species inhabiting estuaries, where freshwater from rivers meets and mixes with saltwater from the ocean. These transitional zones create unique, nutrient-rich habitats supporting a wide array of life, including fish, birds, invertebrates, and mammals. Estuary animals are often highly adapted to the fluctuating salinity levels and dynamic environment. Evolutionarily, estuaries have been crucial nurseries for many marine species, offering sheltered breeding grounds. Their ecological significance is immense, supporting rich biodiversity and providing vital services such as water filtration and storm protection. However, estuaries are vulnerable to human impact, including pollution and urban development.

Anatomy
Anatomy

Estuary animals boast diverse anatomies adapted to their brackish habitat. Fish may have specialized gills for fluctuating salinity. Birds have long legs and beaks for wading and fishing. Mammals like otters have streamlined bodies for swimming and dense fur for warmth. Many estuary inhabitants have keen senses; fish detect vibrations through lateral lines, birds have sharp vision for spotting prey, and crustaceans have sensitive antennae. Movements vary: fish dart through water, crabs scuttle along the bottom, and birds gracefully soar or wade. Vocalizations are less common but can include bird calls and crustacean clicks, each vital for communication and mating.

Human Interaction
Human Interaction

Humans have long relied on estuary ecosystems for food, using their abundant fish and shellfish resources. Historically, estuaries have been vital for transportation and trade, with many major cities located near them. However, human activities like pollution, overfishing, and coastal development have threatened these habitats and their fauna. In pop culture, estuaries are less represented but occasionally feature in documentaries highlighting their importance and fragility.

Conservation efforts are increasing, with initiatives focusing on pollution reduction, sustainable fishing, habitat restoration, and public education to protect these biodiverse areas and their unique inhabitants, emphasizing their ecological and economic significance.

Common Questions
Common Questions
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.

Animals

* Under Development *

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
Gadwall (Mareca strepera)
Scale illustration of an average Gadwall compared to other waterfowl species

The Gadwall (Mareca strepera) is a common duck in that occupies open wetlands, wet grasslands, or marshes with dense fringing vegetation. A breeding male is patterned gray with a black rear end, light chestnut wings, and a white speculum. When non-breeding, it looks similar to the female, but the male keeps the same wing pattern. The female is light brown with a dark-orange edged bill, white speculum, and white belly. The Gadwall is a fairly quiet species; the male’s call is hoarse and whistling, and the female has a mallard-like quack. They feed on mollusks and insects.

The Gadwall has a wingspan in the range of 31”-35” (79-89 cm) and total weight of 1.2-2.2 lb (.55-1 kg). The body of the Gadwall has an overall length between 18”-22” (46-56 cm), body width of 3.9”-5.5” (10-14 cm), and standing height of roughly 11”-13.4” (28-34 cm). The typical lifespan of the Gadwall is between 10-28 years.

Series of measured illustrations of the Gadwall
The Gadwall (Mareca strepera) is a common duck in that occupies open wetlands, wet grasslands, or marshes with dense fringing vegetation. A breeding male is patterned gray with a black rear end, light chestnut wings, and a white speculum. The Gadwall is a fairly quiet species.

The Gadwall has a wingspan in the range of 31”-35” (79-89 cm) and total weight of 1.2-2.2 lb (.55-1 kg). The body of the Gadwall has an overall length between 18”-22” (46-56 cm), body width of 3.9”-5.5” (10-14 cm), and standing height of roughly 11”-13.4” (28-34 cm). The typical lifespan of the Gadwall is between 10-28 years.

Series of measured illustrations of the Gadwall
Gadwall (Mareca strepera)
Height:
11”-13.4” | 28-34 cm
Width:
31”-35” | 79-89 cm (Wingspan)
Length:
18”-22” | 46-56 cm
Depth:
Weight:
1.2-2.2 lb | .55-1 kg
Area:

Body Width: 3.9”-5.5” | 10-14 cm

Scientific Name
Mareca strepera
Lifespan
10-28 years

Drawings include:

Gadwall side view, front, flying (assorted)

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Common Snipe (Gallinago gallinago)
Comparison drawing of the Common Snipe compared to other shorebirds

The Common Snipe (Gallinago gallinago) is a small and stocky shorebird that inhabits marshes, bogs, tundra, and wet meadows throughout the Palearctic. As migratory birds, the birds that live in Europe move to southern and western Europe and Africa south to the Equator; birds that occupy Asia move to tropical southern Asia in the winter. They are well camouflaged with short, green-gray legs. The bill is dark and straight, and the body is mottled brown with straw-yellow stripes on top. They stay close to the ground and mainly eat insects, earthworms, and some plants.

The Common Snipe has a wingspan in the range of 15.75”-18.5” (40-47 cm) and total weight of .18-.4 lb (.08-.18 kg). The body of the Common Snipe has an overall length between 9.8”-11” (25-28 cm), body width of 2.6”-3” (6.5-7.5 cm), and standing height of roughly 4.7”-5.3” (12-13.5 cm). The typical lifespan of the Common Snipe is between 10-18 years.

Set of scaled side and front drawings of the Common Snipe
The Common Snipe (Gallinago gallinago) is a small and stocky shorebird that inhabits marshes, bogs, tundra, and wet meadows throughout the Palearctic. As migratory birds, the birds that live in Europe move to southern and western Europe and Africa south to the Equator.

The Common Snipe has a wingspan in the range of 15.75”-18.5” (40-47 cm) and total weight of .18-.4 lb (.08-.18 kg). The body of the Common Snipe has an overall length between 9.8”-11” (25-28 cm), body width of 2.6”-3” (6.5-7.5 cm), and standing height of roughly 4.7”-5.3” (12-13.5 cm). The typical lifespan of the Common Snipe is between 10-18 years.

Set of scaled side and front drawings of the Common Snipe
Common Snipe (Gallinago gallinago)
Height:
4.7”-5.3” | 12-13.5 cm
Width:
15.75”-18.5” | 40-47 cm (Wingspan)
Length:
9.8”-11” | 25-28 cm
Depth:
Weight:
.18-.4 lb | .08-.18 kg
Area:

Body Width: 2.6”-3” | 6.5-7.5 cm

Scientific Name
Gallinago gallinago
Lifespan
10-18 years

Drawings include:

Common Snipe side view, front, flying (assorted)

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Common Merganser (Mergus merganser)
Comparison drawing of the Common Merganser compared to other waterfowl

The Common Merganser (Mergus merganser) is a duck that occupies rivers and lakes in forested areas of Europe, northern and central Palearctic, and North America. They are distinguished by a crest of longer head feathers. Adult males have a white body with a tinge of salmon pink and a gray rump and tail; the head is black with an iridescent green gloss, and the wings are white on the inner half and black on the outer half. Females are mostly gray with a reddish-brown head, white chin, and white secondary feathers on the wing. They eat fish and a wide range of aquatic prey and amphibians.

The Common Merganser has a wingspan in the range of 34”-38” (86-97 cm) and total weight of 2-4.6 lb (.9-2.1 kg). The body of the Common Merganser has an overall length between 22”-28” (56-71 cm), body width of 6.3”-7.5” (16-19 cm), and standing height of roughly 11.4”-14.6” (29-37 cm). The typical lifespan of the Common Merganser is between 11-15 years.

Set of scaled side and front drawings of the Common Merganser
The Common Merganser (Mergus merganser) is a duck that occupies rivers and lakes in forested areas of Europe, northern and central Palearctic, and North America. They are distinguished by a crest of longer head feathers. Adult males have a white body with a tinge of salmon pink and a gray rump.

The Common Merganser has a wingspan in the range of 34”-38” (86-97 cm) and total weight of 2-4.6 lb (.9-2.1 kg). The body of the Common Merganser has an overall length between 22”-28” (56-71 cm), body width of 6.3”-7.5” (16-19 cm), and standing height of roughly 11.4”-14.6” (29-37 cm). The typical lifespan of the Common Merganser is between 11-15 years.

Set of scaled side and front drawings of the Common Merganser
Common Merganser (Mergus merganser)
Height:
11.4”-14.6” | 29-37 cm
Width:
34”-38” | 86-97 cm (Wingspan)
Length:
22”-28” | 56-71 cm
Depth:
Weight:
2-4.6 lb | .9-2.1 kg
Area:

Body Width: 6.3”-7.5” | 16-19 cm

Scientific Name
Mergus merganser
Lifespan
11-15 years

Drawings include:

Common Merganser side view, front, flying (assorted)

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Japanese Eel (Anguilla japonica)
Comparison illustration of the size of a Japanese Eel to other eels and a typical person

Also called Unagi in Japan, the Japanese eel (Anguilla japonica) is an essential food in East Asia to the degree of being bred in aquaculture. The fish fit into the family Anguillidae and stays in the surrounding freshwater of Korea, Japan, Vietnam, China, Taiwan, and even the Philippines but spawn in the sea. Juveniles are yellowish while adults silver. The Japanese eel is an elongated fatty fish, bold in flavor, and the few among unique vertebrates that produce fluorescent protein. Unfortunately, the Unagi has been red-listed as a threatened species because of overfishing and habitat damage.

Japanese Eels have a total length between 39”-51” (99-130 cm) and body height of 3.1”-4.7” (8-12 cm). The typical weight of the Japanese Eel is in the range of 6.6-8.8 lb (3-4 kg). Japanese Eels have lifespans between 15-20 years.

Scaled collection of drawings of Japanese Eel in various poses
Also called Unagi in Japan, the Japanese eel (Anguilla japonica) is an essential food in East Asia to the degree of being bred in aquaculture. The fish fit into the family Anguillidae and stays in the surrounding freshwater of Korea, Japan, Vietnam, China, Taiwan, and the Philippines.

Japanese Eels have a total length between 39”-51” (99-130 cm) and body height of 3.1”-4.7” (8-12 cm). The typical weight of the Japanese Eel is in the range of 6.6-8.8 lb (3-4 kg). Japanese Eels have lifespans between 15-20 years.

Scaled collection of drawings of Japanese Eel in various poses
Japanese Eel (Anguilla japonica)
Height:
3.1”-4.7” | 8-12 cm
Width:
Length:
39”-51” | 99-130 cm
Depth:
Weight:
6.6-8.8 lb | 3-4 kg
Area:
Scientific Name
Anguilla japonica
Lifespan
15-20 years

Drawings include:

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

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Snow Goose (Anser caerulescens)
Comparison illustration of the size of a Snow Goose to other species of waterfowl

The Snow Goose (Anser caerulescens) is a North American species; its name references the typically white plumage. The other plumage morph is gray/blue, and the bluish-gray plumage replaces the white except on the head, neck, and tail tip. The white-morph is all white except for the black wing tips. Both variations have rose-red feet and legs and pink bills with black tomia. They breed north of the timberline in Greenland, Canada, Alaska, and the northeastern tip of Siberia, and they spend winters in the warmer parts of North America- from southwestern British Columbia through parts of the United States to Mexico.

The Snow Goose has a wingspan in the range of 53”-65” (135-165 cm) and total weight of 4.4-7.1 lb (2-3.2 kg). The body of the Snow Goose has an overall length between 25.2”-33.1” (64-84 cm), body width of 7.9”-10.6” (20-27 cm), and standing height of roughly 18.9”-24.8” (48-63 cm). The typical lifespan of the Snow Goose is between 15-25 years.

Scaled collection of drawings of Snow Goose in various poses with dimensions
The Snow Goose (Anser caerulescens) is a North American species; its name references the typically white plumage. The other plumage morph is gray/blue, and the bluish-gray plumage replaces the white except on the head, neck, and tail tip. The white-morph is all white except for the black wing tips.

The Snow Goose has a wingspan in the range of 53”-65” (135-165 cm) and total weight of 4.4-7.1 lb (2-3.2 kg). The body of the Snow Goose has an overall length between 25.2”-33.1” (64-84 cm), body width of 7.9”-10.6” (20-27 cm), and standing height of roughly 18.9”-24.8” (48-63 cm). The typical lifespan of the Snow Goose is between 15-25 years.

Scaled collection of drawings of Snow Goose in various poses with dimensions
Snow Goose (Anser caerulescens)
Height:
18.9”-24.8” | 48-63 cm
Width:
53”-65” | 135-165 cm (Wingspan)
Length:
25.2”-33.1” | 64-84 cm
Depth:
Weight:
4.4-7.1 lb | 2-3.2 kg
Area:

Body Width: 7.9”-10.6” | 20-27 cm

Scientific Name
Anser caerulescens
Lifespan
15-25 years

Drawings include:

Snow Goose side view, front, flying (assorted)

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