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<br />::' OOfl~67 <br /> <br />. <br /> <br />. <br /> <br />abundance will determine how many of the species can find nesting places and how <br />many young they can produce. For migratory species and winter visitors wetland <br />health plays an important role, but not as critical as for the breeding species. <br />Numbers of migrants are affected by the availability of suitable breeding <br />habitat, storms during migration periods, winter weather, and the available <br />winter habitat. ' <br /> <br />The following lists in tables 2, 3, and 4 are by no means a complete species <br />list for wetlands in the San Luis Valley. They are the most conspicuous species <br />and hence the most frequently seen. In addition to these species, numerous <br />songbirds also use wetlands and wetland edges. <br /> <br /> Tab Ie 2 <br />Raptor Use-Days on Monte Vista and A1amosa National Wildlife Re fuge's (NWR) <br /> Monte Vista NWR A1amosa NWR <br />Species 1979 1980 1979 1980 <br />Marsh hawk* 4,960 4,020 3,442 4,420 <br />American kestrel* 1,660 1,660 1,487 1,740 <br />Swainson's hawk* 1,530 1,300 1,510 1,920 <br />Great horned owl* 2,570 3,710 2,872 3,210 <br />Short-eared owl* 2,908 3,480 2,720 2,300 <br />Redtail hawk 400 350 658 360 <br />Roughlegged hawk 1,872 1,810 1,400 1,300 <br />Golden eagle 815 705 383 520 <br />Long-eared owl 140 190 <br />Bald eagle** 610 930 1,062 370 <br />Prairie falcon 410 460 310 490 <br />Turkey vulture 30 120 <br />Peregrine fa1con** 4 <br />Total 17,905 18,555 15,964 16,634 <br />Use-days/acre 1.3 1.3 1.5 1.6 <br />Use-days/acre average 1.3 1.5 <br /> <br />* Breeders. <br />** Migratory birds of high Federal interest. <br /> <br />4 <br />