A bird colony is a large congregation of individuals of one or more species of bird that nest or roost in proximity at a particular location. Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony. Colonial nesting birds include seabirds such as auks and albatrosses; wetland species such as herons; and a few passerines such as weaverbirds, certain blackbirds, and some swallows. A group of birds congregating for rest is called a communal roost. Evidence of colonial nesting has been found in non-neornithine birds (Enantiornithes), in sediments from the Late Cretaceous (Maastrichtian) of Romania.[1]
- ^ Dyke, G.; Vremir, M.; Kaiser, G. & Naish, D. (2012). "A drowned Mesozoic bird breeding colony from the Late Cretaceous of Hotel Transylvania". Die Naturwissenschaften. 99 (6): 435–42. CiteSeerX 10.1.1.394.9006. doi:10.1007/s00114-012-0917-1. PMID 22575918. S2CID 1396792.