Scientific Name: Larus marinus
Population Estimate: 500K-750K, Least Concern status
Range: Year-round in coastal regions on both sides of the North Atlantic, though somewhat migratory.
Field Notes: Largest gull in the world. Overall white with dark-grey to black mantle. Yellow bill with red spot on the lower mandible. Legs pale. Lesser Black-backed Gull more dainty with yellow legs.
Personal Notes: Different than the New Zealand black-backed gull.