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Brandon Percival; Bob Harnish found the bird and identified it around 0700.
Species, Date, Time and Location Information
Duration (total time in view):
Chico Basin Ranch in the olives in the "Eagle Grove"
Foraged exclusively in Russian olives and on the ground. The olives are part of a grove of trees that contain very large plains cottonwoods where a Golden Eagle occassionaly nests
Leica Ultravid 10x42 binoculars
Leica 77 mm APO spotting scope with 20x-60x zoon
As close as 20 feet
very good with light over my shoulder
Description of the Bird
This bird was a warbler, identified by its bill, coloration, and feeding pattern.
Because its yellow face was surrounded by a black hood, it could only be one species. Yellow belly and undertail coverts. Olive back. Bill dark. Tail olive. Legs pinkish.
Behaviors: This bird foraged very low to the ground. The most interesting part of the observation was that the bird found a low branch perch (about 3 ft. off of the ground and fell asleep. I took lots of photos of a sleeping bird with white nictitating (well maybe it doesn't actually nictitate) eyelid visible but since I can't upload more than one photo I will chose a different one.
Call: calls only heard loud and squeaky repeated over and over until about 11:00 when it became silent
Similar Species Discussion
Townsend's Warbler has black mask, the HOWA does not
Hermit Warbler - has a yellow face but also a yellow crown which a HOWA does not have.
Kentucky Warbler - doesn't have the black chin and throat that HOWA has
I see at least one every year in CO and I have seen some in Texas during migration.
Date Documentation Submitted
7/17/2006 1:14:00 PM
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