White-winged Black Tern vs Common Tern

The White-winged Black Tern and the Common Tern can be distinguished primarily by their plumage. The White-winged Black Tern has striking white wings and a more contrasting black body during breeding season, while the Common Tern is known for its more uniform grey and white plumage with a black cap. Observing these differences in plumage is the most reliable way to tell them apart.

Breeding Plumage: Look for the striking white wings and black body of the White-winged Black Tern. The Common Tern will have a more uniform grey and white plumage with a black cap. Non-breeding Plumage: Both species may appear more similar, so focus on wing patterns and overall contrast.

The White-winged Black Tern features distinctive white wings and a black body during the breeding season, creating a stark contrast. In contrast, the Common Tern has a more uniform grey and white plumage with a black cap, lacking the high contrast seen in the White-winged Black Tern.