basis of recordBanks, R.C., R.W. McDiarmid, and A.L. Gardner. 1987. Checklist of vertebrates of the United States, the U.S. Territories, and Canada. U.S. Fish and Wildlife Service Resource Publication No. 166. 79 p.[details]
additional sourceRobbins, C. S. (1983). Golden field Guide to Birds of North America. Golden press. 360p.[details]
additional sourcePeterson, R.T.; Peterson, V.M. (2002). A field guide to the birds of eastern and central North America. <em>Fifth Edition.</em> Peterson Field Guide Series. Houghton Mifflin Company. New York. 427 p.[details]
additional sourceLiu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
additional sourceIntegrated Taxonomic Information System (ITIS). , available online athttp://www.itis.gov[details]
Present Inaccurate Introduced: alien Containing type locality
From other sources
Breeding Category Breeding [details] IUCN Red List Category Least Concern [details]