Friday 27 August 2021

[cobirds] Looking for some Empid fun?

Hi

Crow Valley Camp Ground, Weld Co. 

There seemed to be good migratory pulse of flycatchers landing in the campground. Most of the action was in the southwest and northwest sections  Perhaps about 30 Wood-Pewee, presumedly all Westerns, actively salling from tree limbs. Also there were about 20 empids, all appearing in there neat and tidy juvenile plumage. The few I saw well showed yellow lower mandible and their tails appeared proportionally wide which they frequently  flicked upwards. All of these subjective field marks suggested to me they were all Willow Flycatchers? There was another group of emipds with noticeable short tails, small bills, couldn't see the under bills. This group appeared to be in the Hammond's/Dusky group.

If you think you need some humiliation, come on out to Crow Valley Campground, it could be fun.

Cheers,

Bob Righter
Denver, CO 

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