Roseate tern and the bill black. Juvenile roseate terns have a scaly appearance like juvenile Sandwich Terns, but a fuller black cap than that species. This species breeds in colonies on coasts and islands, at times with other seabirds. In Australian territory, it has been recorded nesting alongside the black-naped tern ("S. sumatrana"), lesser crested tern ("Thalasseus bengalensis"), crested tern ("T. bergii"), fairy tern ("Sternula nereis"), bridled tern ("Onychoprion anaethetus") and silver gull ("Chroicocephalus novaehollandiae"). It nests in a ground scrape, often in a hollow or under dense vegetation, and lays one or two (rarely three) eggs. It is less defensive of
Whiskered tern Whiskered tern The whiskered tern ("Chlidonias hybrida") is a tern in the family Laridae. The genus name is from Ancient Greek "khelidonios", "swallow-like", from "khelidon", "swallow". The specific "hybridus" is Latin for "hybrid"; Pallas thought it might be a hybrid of white-winged black tern and common tern, writing ""Sterna fissipes ["Chlidonias leucopterus"] et Hirundine ["Sterna hirundo"] natam"”. This bird has a number of geographical races, differing mainly in size and minor plumage details. "C. h. hybrida" breeds in warmer parts of Europe and Asia. The smaller-billed and darker "C. h. delalandii" is found in east and south Africa, and the