August 25, 2010
Jerry Petrosky:
Richard Stevens and I returned to the Rocky Mountain Arsenal at 6:00 AM. No owls. Bird numbers were much reduced from what they found yesterday. Until we returned to our car, eleven Eastern Kingbirds outnumbered the two Western Kingbirds. Eastern finally won 11 to 6. They had 223+ Western Kingbirds yesterday.
Uncommon birds included
Plumbeous Vireo on the north side of Mary Lake.
Townsend's Warblers Cottonwoods along Ladora Lake at the end of the bridge over southern section. Cottonwoods just west of Peoria and 64th streets, south side of 64th.
Cassin's Vireo Lone cottonwood just east of where northern section of Ladora Lake trail goes through trees. Same area as yesterday's Yellow throated Vireo. Today's vireo had pale whitish throat, breast and belly with pale yellow flanks. Yesterday's Yellow throated had bright yellow throat and white belly.
I returned to Denver while Richard went to Pawnee National Grasslands. On the way up, he photographed the Pacific Loon at McIntosh Lake, Boulder County.
Jerry Petrosky:
Richard Stevens and I returned to the Rocky Mountain Arsenal at 6:00 AM. No owls. Bird numbers were much reduced from what they found yesterday. Until we returned to our car, eleven Eastern Kingbirds outnumbered the two Western Kingbirds. Eastern finally won 11 to 6. They had 223+ Western Kingbirds yesterday.
Uncommon birds included
Plumbeous Vireo on the north side of Mary Lake.
Townsend's Warblers Cottonwoods along Ladora Lake at the end of the bridge over southern section. Cottonwoods just west of Peoria and 64th streets, south side of 64th.
Cassin's Vireo Lone cottonwood just east of where northern section of Ladora Lake trail goes through trees. Same area as yesterday's Yellow throated Vireo. Today's vireo had pale whitish throat, breast and belly with pale yellow flanks. Yesterday's Yellow throated had bright yellow throat and white belly.
I returned to Denver while Richard went to Pawnee National Grasslands. On the way up, he photographed the Pacific Loon at McIntosh Lake, Boulder County.
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