Each autumn, beginning in late November, a spectacular and globally important natural occurrence unfolds on the Niagara River.
The event is the annual gull migration that brings as many as 19 species of gulls, in one of the world's largest concentrations of these birds, literally to our doorsteps. This is a significant ornithological event. On the entire continent of Australia, only three species of gulls have been recorded. In the Arctic National Wildlife Refuge, only 11 species of gulls have ever been seen. Remarkably, some of these same gulls that breed in the Arctic refuge travel through... [continue via Web link]