great black-backed gull - larus marinus

north america canadian minet's point park barrie ontario canada horizontal outdoors nature environment environmental conservation living organism natural outside wild wildlife animals birds avian beak birding birdwatching feather ornithology watching wing aquatic fresh water freshwater wetland lake coast coastal seabird marine ocean oceanic sea bird salt marsh pond charadriiformes laridae great black-backed gull larus marinus flying flight gulls seagulls