Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Remsen,
J.J.
1975
Swainson's Hawk
Buteo swainsoni
Apr. 27 Northeastern plains area, Adams + Weld + Morgan Cos., Colo.: 6
May 1 Barr Lake, Adams Co., Colo.: 1
May 2 Hwy 287, Limon to Lamar, Colo.: 4
May 3 Carrizo Creek - Cottonwood Creek area, Baca Co., Colo.: 4
May 4 Cimarron River, Baca Co., Colo.: 1
May 8 Barr Lake: 4
May 10 Jumbo Res., Sedgwick + Logan Cos., Colo.: 5
May 11 Bonny Dam, Yuma Co., Colo.: 3
May 13 Hwy 121 x 108th Av., Broomfield, Jefferson Co., Colo.: pair - mounting witnessed.
Sept. 6 Briggsdale area, Weld Co., Colo.: 2
Sept. 12 Briggsdale: 1
Sept. 13 Horse Creek Res., Adams Co., Colo.: 1
Sept. 7 Jumbo Res.: 4