Great Black-backed Gull
Larus marinus
Year-roundUncommonFry-theft threat
How to ID it
- Huge — world's largest gull
- Black back with massive bill
- Too dignified to chase fries; steals whole crabs instead
Field marks at a glance
- Size
- huge
- Head
- white
- Bill
- massive bill
Where & when
Year-round
Learn more
Sources
- Facts — local research (plan.md), verified July 2026
- Reference — ebird.org
- Reference — audubon.org