Tristram's Storm-Petrel

Hydrobates tristrami

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About the Tristram's Storm-Petrel

Tristram's storm petrel or ʻakihikeʻehiʻale (Hydrobates tristrami) is a species of seabird in the storm petrel family Hydrobatidae. The species' common and scientific name is derived from the English clergyman Henry Baker Tristram; the species can also be known as the sooty storm petrel. Tristram's storm petrel has a distribution across the north Pacific Ocean, predominantly in tropical seas. This storm petrel has long, angular wings. This is likely the largest member of the storm petrel family, with a total length 24.5 to 27 cm (9.6 to 10.6 in), a wingspan of 54 to 57 cm (21 to 22 in) and a body mass of 71 to 120 g (2.5 to 4.2 oz) with average weights of 86.2 and 92 g (3.04 and 3.25 oz). Its plumage is all over dark with a slightly pale rump and a pale grey bar on the upper wing.

Source: Wikipedia

Classification

Scientific name: Hydrobates tristrami
Family: Northern Storm-Petrels
Order: Procellariiformes

Similar species

Other members of the northern storm-petrels family recorded in North America — a useful place to start if you are not certain of your identification.

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