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It's possible that could be what it is... although the parasites look somewhat different from what was on this creature. Still possible though! @Jellis
Sadly that's the only picture I had gotten. I have a few others but they are all from the same angle so they don't look any different.
My guess would be that they are female Common Eiders. The speckling of white through their feathers matches that of what would be seen on the Eiders. Their beaks are also a greyish color which would also be a sign of the female Eider. Eiders are also a year round bird in Maine, which would give it an even better chance of being that kind of bird. Hope this helps! :)
My first thought was it looked like some kind of flycatcher. Maybe a Cordilleran Flycatcher? Female Goldfinch would be my other guess though. Both seem possible based off of what we can see in your photo
