Tough Little Terns

The first gray day to follow a sunny stretch is crushing. Even a dry overcast day like this one offers little reason for me to leave the house. The same is not true for Aki. She was more than ready to hop into the car this morning. 

            Figuring that the gloom would discourage others from visiting the glacier, I picked it for our venue. I want to see the artic terns. Those diminutive birds have just arrived after flying 12,000 miles from Antarctica. They are building their nests on the ground of sandy peninsulas that poke out into the lake. Usually they only a few birds show themselves above the nesting grounds. But when we arrive, what looks like the entire flock is swarming in the air. They’ve been stirred off their nests by three humans, one pushing a wheel barrow. 

            One male tern hovers for a moment over the little dog and I before flying off. It would have dive bombed us if we looked threatening. Once I saw a tern chase an adult bald eagle out of the air space above the tern nests, tugging at the big predator’s tail feathers to hurry it along. 

I am surprised that the terns have returned. Each of the last few summers, water released by a collapsed ice dam on Mendenhall Glacier has released water that flooded the terns’ nesting area. Last summer a wolf destroyed some of the tern nests. After receiving such treatment, you would think the terns would migrate to a safer nesting site. 

Common Merganser Hen

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