People often ask me what the pretty yellow birds in their yard are (they ... This is really their standout visual feature, being otherwise a small bird of almost uniform gray.

The yellow-crested helmetshrike (Prionops alberti), also known as King Albert’s helmetshrike, is a small bird that lives in the humid forests of the Albertine Rift mountains in central Africa.

The tropical rainforest is a dangerous place for small birds, said Falk, who’s also a researcher at the Smithsonian Tropical Research Institute. Snakes, monkeys, birds and even insects all prey on ...