Black-headed gull

The black-headed gull is a small seabird that breeds across Europe and Asia, with a few making nests in eastern Canada. While most fly south for winter, some stay put in warmer parts of Europe. Despite its name, its head turns chocolate brown rather than black during breeding season.

• Migrates south for winter but some stay in mild European areas year-round.
• Breeds in wetlands across Europe, Asia, and parts of Canada.
• Head turns dark brown in summer, not actually black as the name suggests.