If I were bold, I would call this bird an immature Tropical Kingbird based
off what looks to be a incomplete tail, short primary extension, and the
bulky size of the beak. There was only a barely noticeable notch on the
inner vane of the p10 primary, while the others appeared quite rounded to
me. I'd be interested to hear if anyone disagrees with these observations
after viewing the bird and all the photos that this weekend should produce.

Annabelle captured some photos this morning (at marker 36) highlighting
these traits - https://flic.kr/p/uYN7q3

And there's a nice study of Western, Tropical, and Couch's here -
http://www.birds.cornell.edu/crows/kingbirdsX.htm

-
Justin Watts
Hennepin County

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