Bermuda Petrel vs Hawaiian Petrel

In short

The Bermuda Petrel and Hawaiian Petrel are both medium-sized seabirds with subtle differences in plumage and structure. The most reliable field mark is the Bermuda Petrel's more contrasting facial pattern, while the Hawaiian Petrel has a more uniform appearance. Both species are challenging to distinguish at sea, requiring careful observation of plumage and structure.

Identification tips

1. Look for the Bermuda Petrel's contrasting dark cap and white face. 2. Observe the overall uniformity of the Hawaiian Petrel's plumage. 3. Consider the location and range, as these species have different breeding grounds.

Plumage

Bermuda Petrel has a more contrasting facial pattern with a distinct dark cap and white face, whereas the Hawaiian Petrel appears more uniform with less contrast between the cap and face.