The Black-billed Gull (Chroicocephalus bulleri), also known as Buller's Gull, is a species of gull in the Laridae family. It is found only in New Zealand.
As is the case with many gulls, it has traditionally been placed in the genus Larus, but is now considered to belong within the genus Chroicocephalus. The holotype is in the collection of the Museum of New Zealand Te Papa Tongarewa.
It is a lightly coloured gull with a small amount of black on its wingtips. It has a long, thin, black bill with a bright red interior, and reddish black feet and white eyes. The juvenile has a flesh coloured bill with a dark tip and dark brown eyes.
As juvenile red-billed gulls display similarly dark bills and feet they can be confused.
Distribution and habitat
Important Bird Areas
- "Larus bulleri; holotype". Collections Online. Museum of New Zealand Te Papa Tongarewa. Retrieved 17 July 2010.
- "Black-billed Gull factsheet". BirdLife data zone: Important Bird Areas. BirdLife International. 2012. Retrieved 2012-11-15.
- BirdLife International 2006. Larus bulleri. 2006 IUCN Red List of Threatened Species. Downloaded on 24 July 2007.
- Pons J.M., Hassanin, A., and Crochet P.A.(2005). Phylogenetic relationships within the Laridae (Charadriiformes: Aves) inferred from mitochondrial markers. Molecular phylogenetics and evolution 37(3):686-699
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- Department of Conservation New Zealand Teaching Resource - Threatened birds. Downloaded from http://www.doc.govt.nz on 11/05/2013
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