Common Loon

On Christmas Eve Day, I got to see the Common Loon that’s been on the Reservoir.  It’s a new bird for my Central Park list.

I entered the park at 90th and Fifth Avenue and looked for the Loon.  I ended up making the entire loop of the Reservoir before finding the bird at 87th about 100 feet from the eastern bank.

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The Common Loon has been doing lots of underwater diving, coming up for only about 20 seconds before going under.  Then it changed behavior.
It flapped its wings.
Stretched them out.
And took an aggressive posture.
The reason for all this behavior surfaced nearby, a Cormorant.