Several species of gull that frequent North America’s lands and waters have black heads during the breeding season. The most ...

One Scottish council says it has plan to try and prevent the birds being a health and safety risk.

Medium-size, 3-cycle gull with sloping head, medium-size bill. On adult, note yellow legs, pale eyes, and neat “ring bill.” Breeding adult: pale gray upperparts; black wing tip with white ...

Numbers in Northeast and Atlantic Canada now declining; linked to egging and competition with expanding great black-backed gull populations.

common gull and black-headed gull. During the colder months, small numbers of Mediterranean gulls, scarcely seen in Hertfordshire, also fly in, the trust said. "A majority of these species are ...

As Eve walked along the wharf, a bird caught her eye. It was a black-headed gull, of which there are many in the city. But this one was resting on a very remarkable area of water. Eve realised that ...