Northern Prairie Wildlife Research Center
_________________________________________________________________________________________________________________ Habitat Red-tailed Rough-legged Ferruginous Bald Prairie American Marsh All type hawk hawk hawk eagle falcon kestrel hawk species _________________________________________________________________________________________________________________ Riparian woodlands Birds observed 311 38 7 838 7 40 35 1476 %in habitat 53.6 17.1 14.0 75.9 8.4 8.6 14.2 43.7 Shelterbelts- woodlots Birds observed 127 45 9 201 6 64 6 530 %in habitat 21.9 20.3 18.0 14.8 7.2 13.8 2.4 15.7 Grazed pasture Birds observed 23 40 4 38 9 35 25 196 %in habitat 4.0 18.0 8.0 2.8 10.8 7.5 10.2 5.8 Ungrazed pasture Birds observed 14 12 1 20 3 26 33 128 %in habitat 2.4 5.4 2.0 1.5 3.6 5.6 13.4 3.8 Tilled field Birds observed 38 31 20 154 31 151 54 515 %in habitat 6.6 14.0 40.0 11.4 37.3 32.5 22.0 15.2 Mowed field Birds observed 47 40 7 37 21 84 39 285 %in habitat 8.1 18.0 14.0 2.7 25.3 18.1 15.8 8.4 Irrigation canal Birds observed 13 8 -- 35 4 33 25 132 %in habitat 2.2 3.6 -- 2.6 4.8 7.1 10.2 3.9 Other Birds observed 7 8 2 30 2 31 29 118 %in habitat 1.2 3.6 4.0 2.2 2.4 6.7 11.8 3.5 Total 580 222 50 1353 83 464 246 3380
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/habitat/plriveco/table/table7.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 04:52:31 EST
Menlo Park, CA [caww54]
