White-chinned Petrel is a large seabird (larger than Cory’s Shearwater Calonectris borealis), heavily built and with a rounded head, bull-necked appearance and a stout, pale-yellowish bill. The wings are long and angular, the tail is relatively short with a rounded tip and a short toe projection. The plumage appears all dark and is a uniform blackish brown with silvery hues vi


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