pardela-de-patas-rosadas vs pardela-de-barrete

The Flesh-footed Shearwater and Great Shearwater can be distinguished by their plumage and structural differences. The Flesh-footed Shearwater has a more uniform dark plumage with a pale pinkish bill, while the Great Shearwater features a distinctive dark cap and brown belly-patch with a contrasting white underwing.

Look for the bill color: Flesh-footed Shearwater has a pale pinkish bill, while Great Shearwater does not. Check the underwing pattern: Great Shearwater has a white underwing with brown markings, contrasting with the more uniform appearance of the Flesh-footed Shearwater. Note the head and belly: Great Shearwater's dark cap and brown belly-patch are distinctive.

Flesh-footed Shearwater is uniformly dark with a pale pinkish bill, whereas the Great Shearwater has a dark cap, brown belly-patch, and white underwing with variable brown markings.