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Migratory nongame birds of management concern in the United States : the 1995 list / prepared by Office of Migratory Bird Management, U.S. Fish and Wildlife Service

Migratory nongame birds of management concern in the United States : the 1995 list / prepared by Office of Migratory Bird Management, U.S. Fish and Wildlife Service
Microform図書
1996<YCA-I 49.2:M 58/4>
National Diet Library
  • Subject HeadingBird populations -- United States Birds, Protection of -- Unite...

Trends in duck breeding populations, 1955-1990 [microform] / F.A. Johnson ... [et. al]

Trends in duck breeding populations, 1955-1990 [microform] / F.A. Johnson ... [et. al]
Microform図書
1990<YCA-I 49.106/2:990>
National Diet Library
  • Subject HeadingDucks -- United States -- Counting Bird populations -- United States

Sequentially observed periodic surveys of management compartments to monitor red-cockaded woodpecker populations / Robert G. Hooper, H. David Muse (Research paper SE ; 276)

Sequentially observed periodic surveys of management compartments to monitor red-cockaded woodpecker populations / Robert G. Hooper, H. David Muse (Research paper SE ; 276)
Microform図書
1989<YCA-A 13.78:SE-276>
National Diet Library
  • Subject HeadingWoodpeckers -- Observations -- Measurement Bird populations -- United States -- Measurement

Techniques for studying nest success of ducks in upland habitats in the prairie pothole region / by Albert R. Klett ... [et al.] (Resource publication : 158)

Techniques for studying nest success of ducks in upland habitats in the prairie pothole region / by Albert R. Klett ... [et al.] (Resource publication : 158)
Microform図書
1986<YCA-I 49.66:158>
National Diet Library
  • Subject Heading...- Reproduction Bird populations -- United States Bird populations -- Canada Bi...

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