. Brigham Young University science bulletin. Biology -- Periodicals. 6 LIGHT 9 12 3 NOON Fig. 22. Hunting activity patterns of the large raptors on the study area. 9 DARK PRAIRIE FALCON MARSH HAWK COOPER'S HAWK SPARROW HAWK- burrowing owl-. Fig. 23. Iluiiliiig activity ])al(crns of medium- and s[uall-si/cd raptors. lU'cl-tailc'c! Hawks also ranged widely, one pair lumted over a small sagebrnsh stand less than miles from their nestiijg site. Both species had similar intensive hunting periods, from approximately 1445 to 1830 hrs, but Red- tailed Hawks tended to hunt throughout a greater po
. Brigham Young University science bulletin. Biology -- Periodicals. 6 LIGHT 9 12 3 NOON Fig. 22. Hunting activity patterns of the large raptors on the study area. 9 DARK PRAIRIE FALCON MARSH HAWK COOPER'S HAWK SPARROW HAWK- burrowing owl-. Fig. 23. Iluiiliiig activity ])al(crns of medium- and s[uall-si/cd raptors. lU'cl-tailc'c! Hawks also ranged widely, one pair lumted over a small sagebrnsh stand less than miles from their nestiijg site. Both species had similar intensive hunting periods, from approximately 1445 to 1830 hrs, but Red- tailed Hawks tended to hunt throughout a greater portion of the dav than any other large raptor species. The morning hunting periods of the Swainson's Hawk began well after that of the Ferruginous Hawk had terminated, and their afternoon hunting periods were completed before Ferniginous Hawks began to hunt. .Swainson's Hawks also tended to hunt in the im- mediate n(\sting \ieinitv in habitats similar to tliose in whieli Ferruginous Hawks predomi- nantly hunted. .\il of the small raptors nesting (ju the study arc. initiated tlieir hunting periods very early in tlie morning and generally before sunrise. Marsli Hawks were partieularh active at this time hut continued until well into the morning hours. .Sparrow Hawks were the last of the small raptors to b(\gin lumting, initiating their morning limit at approximately 0745 hrs. Spar-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brigham Young University. Provo, Utah : Brigham Young University
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