We were by the Lachine Rapids off the Island of Montreal, when I spotted a Great Blue Heron coming in for a landing. Just as it was coming down, a male Red-winged Blackbird appeared and started mobbing the Heron. I have a series of 5 or 6 shots, but attached is the first. The Blackbird took several swoops at the Heron for about 2 or 3 minutes, and then the Heron took off for more friendly locales.
I have read that Herons will eat voles, but would they pose a threat to Red wings? Nests would be close to the water's edge, so I suppose the eggs/offspring would be accessible.
Jim






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