Yellow-billed Tern
NameYellow-billed Tern
Common NameYellow-billed Tern
Scientific NameSternula superciliaris
FamilyLaridae
Wingspan (cm)47.5
Length (cm)24.5
Weight (g)45
Plumage DetailsAdults have a black cap extending from the bill to the nape, a contrasting white forehead, and a bright yellow bill. The upperparts are pale grey, and the underparts are pure white. Its legs are yellow, and it possesses a moderately forked tail with dark outer feathers.
Vocalization / CallVocalizations include sharp, high-pitched 'kik-kik-kik' or 'kree-ee' calls, often given in flight or when disturbed. They can also produce a rapid, chattering 'krr-krr-krr' sound.
Primary Dietpiscivore
Primary Habitatswetland, coastal
Conservation Statusleast-concern
Geographic RangeFound in South America, primarily within the Amazon and Orinoco river basins, extending across countries such as Brazil, Colombia, Peru, Bolivia, Paraguay, and Argentina, often along large rivers, lakes, and lagoons.
Identifying Featuresbright yellow bill, black cap, white forehead, small size, pale grey upperparts, forked tail
Description
The Yellow-billed Tern is a small tern characterized by its bright yellow bill and distinctive black cap. It is typically found near freshwater bodies in South America, where it actively plunge-dives for small fish.
