Black-faced Sheathbill vs Snowy Sheathbill

The Black-faced Sheathbill and Snowy Sheathbill are both distinctive, pigeon-like birds with a sheath over their bills, but they can be differentiated by facial coloration and range. The Black-faced Sheathbill has a black face and is found in subantarctic islands, while the Snowy Sheathbill has a white face and is more widespread in the Antarctic region.

Look for the black facial skin of the Black-faced Sheathbill as the most reliable field mark. Consider the location: Black-faced Sheathbills are restricted to subantarctic islands, whereas Snowy Sheathbills are found in the Antarctic region. Both species have similar body shapes and behaviors, so focus on facial coloration and geographic range.

Both species are similar in size, resembling a pigeon.

The Black-faced Sheathbill has a black face and white body, whereas the Snowy Sheathbill has an entirely white face and body.

Both species exhibit similar terrestrial behaviors, often foraging on land and scavenging near human settlements or penguin colonies.

Black-faced Sheathbills are found on subantarctic islands, while Snowy Sheathbills inhabit a broader range, including the Antarctic Peninsula and nearby islands.

Vocalizations are not a primary distinguishing feature between these species, and both have crow-like calls.