Empidonax hammondii
(L 4.7-5.5” WS 8.7” Wt 0.3-0.4
oz)
Appearance very similar to Gray
and Dusky Flycatchers.
Patagonia Lake State Park
23Jan2020
Empidonax in Greek means
gnat or mosquito king.
© Gerrit
Vyn
Macaulay
Library
The Empidonax flycatchers
are a notoriously difficult
genus to differentiate.
(Steve Burrows)