Cocoi Heron

Ardea cocoi

Least ConcernCommonOmnivoreWetlandPlatform nestHuge · 1.8 kg

About the Cocoi Heron

The cocoi heron is a species of long-legged wading bird in the heron family Ardeidae found across South America. It has predominantly pale grey plumage with a darker grey crest. A carnivore, it hunts fish and crustaceans in shallow water.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

ID tip

The cocoi heron is the largest of the South American heron species and measures 95–130 cm (37.5–51 in) in length, although body sizes vary regionally; with southern individuals probably being the largest. Adult weight of both males and females can variously range from 1.14 to 3.2 kg (2.5 to 7 lb). In the adult, wing length has been recorded as 421–455 mm (16.5–18 in), tail length 161–173 mm (6.5–7 in), culmen from base 128.5–148.7 mm (5–6 in) and tarsus 179–192 mm (7–7.5 in).

Text from Wikipedia, licensed CC BY-SA 4.0.

Where it lives

Regular range

When to see it

Peak activity in October · a resident species across most of its range

Easily confused with

Side by side: Cocoi Heron vs Grey Heron · Cocoi Heron vs Purple Heron · Cocoi Heron vs White-necked Heron

Learn the Cocoi Heron for real

BeakBrain drills you on photos and calls until you can greet this bird by name in the field. Free to play, on any device.

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