Behavior and Ecology
The Yellow-headed Caracara is omnivorous, and will eat reptiles, amphibians and other small animals as well as carrion. Birds are rarely if ever taken, and this species will not elicit warning calls from mixed-species feeding flocks that cross its path even in open cerrado habitat. It will also take ticks from cattle, and is locally called "tickbird". It has been observed also to forage for small invertebrates in the fur of brown-throated three-toed sloths. In addition, at least younger birds are fond of certain fruits, such as those of the Oil palm (Elaeis guineensis) and Pequi (Caryocar brasiliense). It lays from five to seven brown-marked buff eggs in a stick nest in a tree.
The Yellow-headed Caracara has benefited from forest clearing for cattle ranching. Its status in Trinidad has changed from rare to fairly common, and it was first seen on Tobago in 1987. It adapts readily to urban areas and, together with species such as the American Black Vulture (Coragyps atratus), it is among the most commonly seen bird of prey in Latin American cities. Consequently, this wide-ranging species has been assigned a risk level of Least Concern category on the IUCN Red List. In Panama City for example, as a result of the increased urban sprawl, Yellow-headed Caracara pairs are frequently seen along the rooftops in suburban neighborhoods.
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