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.

In this project urban nesting Lesser Black-backed gulls have been fitted with state-of-the ... The optimisation criteria can be used to develop control schemes suitable in path planning for gull-sized ...