Pardela Sombría vs Pardela de Newell

Sooty Shearwater and Newell's Shearwater can be distinguished primarily by their plumage and flight style. Sooty Shearwater is uniformly dark and has a more gliding flight, while Newell's Shearwater shows contrasting black and white plumage and has a rapid wingbeat with little gliding.

Look for the uniform dark plumage and gliding flight of the Sooty Shearwater, in contrast to the black-and-white plumage and rapid wingbeats of Newell's Shearwater.

Sooty Shearwater is uniformly dark brown to sooty in color, whereas Newell's Shearwater has a striking black-and-white contrast with a dark upper side and white underparts.

Sooty Shearwater tends to glide more during flight, while Newell's Shearwater exhibits strong, rapid wingbeats with minimal gliding.

Newell's Shearwater is typically found in tropical and subtropical waters, especially around the Hawaiian Islands, while Sooty Shearwater is more widespread.