Assertion: southern black backed gull | /r/HasProperty | larus dominicanus
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Source sentences:
text: Southern black-backed gull (Larus dominicanus)
text: In her study of Southland colonies of black-billed gulls, Rachel McClellan found that eighty per cent of observed chick deaths resulted from predation.:105 Introduced mammals, namely ferrets, stoats, cats, and hedgehogs, constitute the “primary factor influencing productivity,” that is, nest success, in the colonies.:147 Chick predation from the indigenous black-backed gull (Larus dominicanus) also threatens the black-billed gull population.:112–13