Cliff Swallows At Harris Water Treatment Plant in Toronto

Cliff Swallows At Harris Water Treatment Plant in Toronto

cliff swallow inflight to nest - harris water treatment building - toronto

But for a fellow birdwatcher posting a photo to Facebook of the Cliff Swallows (Petrochelidon pyrrhonota) nesting at the Harris Water Treatment Plant in Toronto, neither Bob nor I would ever have known such a colony existed.  It was the structural intricacy of their nests that had us making a beeline to The Beach for a look. Read more