Ring-billed gull in flight

Ring-billed gull in flight, Rondeau Provincial Park, Ontario, Canada, Nov 29, 2020.


Larus delawarensis
Ring-billed Gulls near Tampa Bay, Florida, became accustomed to feasting on garbage at an open landfill site. Then, in 1983, operators replaced the dumping grounds with closed incinerators. The thwarted scavengers found themselves another open dump, but the pattern continues all across the gull's range. When waste-management practices shift from open landfills to closed incinerators, gull numbers often drop.
source - Cornell Lab of Ornithology.

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