French: Héron cocoi German: Cocoireiher Spanish: Garza cuca
Other common names:
Most of South America excluding Andes, from E Panama S to Aysén (Chile) and Chubut (Argentina).
95–127 cm; 1900–2100 g. Black on head more extensive than on A. cinerea and A. herodias, reaching to below eye, but sometimes with paler... read more
Poorly described, but has characteristic “rraahbm rraabb” call, typical of other large grey herons. read more
Very variable; any kind of wetland, including mangroves, swamps, lake shores, rivers, small streams... read more
Food and feeding
Fish (e.g. Menticirrhus littoralis, Synbranchus marmoratus, Mugil curema), frogs, aquatic insects (both adults... read more
Season: Jul in Surinam, Aug–Nov in SE Brazil and Argentina, Oct in Uruguay, and eggs laid second and third weeks of Aug, colony... read more
Generally sedentary, though birds in extreme S of range probably migrate N during winter and... read more
Status and conservation
Not globally threatened (Least Concern). Widespread in lowland S America, especially in C & S parts of the continent. In early 1970s breeding population of Surinam... read more
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