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Guadalupe murrelet
Guadalupe murrelet (''Synthliboramphus hypoleucus'') is a small seabird found in the California Current system in the Pacific Ocean. This auk breeds on islands off California and Mexico. It is threatened by predators introduced to its breeding colonies and by oil spills.
This species together with the Scripps's murrelet were considered conspecific and were known collectively as Xantus's murrelet until 2012. Enough evidence was collected to consider both species distinct based on a lack of evidence of interbreeding where the both species nest together on the San Benito Islands, differences in facial pattern and bill shape, vocalizatons and genetics.〔〔〔
==Description and range==
This species is a small black and white auk with a small head and thin sharp bill. It resembles the closely related Scripps's and Craveri's murrelet, with which it shares the distinction of being the most southerly living of all the auk species. It breeds from Guadalupe Island south to the San Benito Islands. After the breeding season it disperses locally at sea northward up to southern California in the United States.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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