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Buller's Shearwater Ardenna bulleri

Sections

Appearance

Distinguishing Characteristics

43 - 45.5 cm. 96 - 102 cm wingspan. 860 g. Large size. Bill dark, slender and the tip into a hook. Blackish cap (crown, nape and head) through level of eye. Upperparts grayish contrasting blackish M pattern. Upperwings with a striking, broad, whitish band from central flight feathers across of central coverts more external. Underparts white. Tail black. Legs pink. Males and females are similar.

Similar Species

It is difficult to confuse with other shearwaters. Black-vented Shearwater (Puffinus opisthomelas) is smaller and has black the lower edge of the wings. Juan Fernandez Petrel (Pterodroma externa) has legs flesh and black, a dark patch in the distal wing, and has dark leading edge to underwing.

Detailed Description

Information needed. Contribute

Recommended Citation

Buller's Shearwater (Ardenna bulleri), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/bulshe