Characteristics of duck populations in the intermountain parks of Colorado /

Management procedures for ring-necked pheasants in Colorado /
by: Snyder, Warren D.
Published: (1985)

Ducks /
by: Weidensaul, Scott
Published: (1990)

Ducks don't get wet /
by: Goldin, Augusta R.
Published: (1999)

Distribution and harvest of Canada geese nesting along the foothills of Colorado /
by: Szymczak, M. R. (Michael R.)
Published: (1981)

Ducks in the wild : conserving waterfowl and their habitats /
by: Johnsgard, Paul A.
Published: (1992)

The wood duck and the mandarin : the northern wood ducks /
by: Shurtleff, Lawton L.
Published: (1996)

Ruddy ducks & other stifftails : their behavior and biology /
by: Johnsgard, Paul A.
Published: (2010)

A nest of wood ducks /
by: Shaw, Evelyn S.
Published: (1976)

The mottled duck : its life history, ecology and management /
by: Stutzenbaker, Charles D.
Published: (1988)

The mottled duck : its life history, ecology, and management /
by: Stutzenbaker, Charles D.
Published: (1988)

Dabbling duck recruitment in relation to habitat and predators at Union Slough National Wildlife Refuge, Iowa /
by: Fleskes, Joseph P.
Published: (1991)

Trends in duck breeding populations.

A natural history of the ducks /
by: Phillips, John C. (John Charles), 1876-1938
Published: (1986)

Ducks of Britain and the northern hemisphere /
by: Gooders, John
Published: (1986)

The world of the wood duck /
by: Hester, F. Eugene, 1931-
Published: (1973)

The Muscovy duck, Cairina moschata domestica : origins, dispersal, and associated aspects of the geography of domestication /
by: Donkin, R. A.
Published: (1989)

Declining mule deer populations in Colorado : reasons and responses (a report to the Colorado Legislature, November 1999) /
by: Gill, R. Bruce
Published: (2001)

Blue grouse wing analyses : methodology and population inferences /
by: Hoffman, Richard W.
Published: (1985)

Ducks of North America and the northern hemisphere /
by: Gooders, John
Published: (1986)

Ducks, geese and swans /
Published: (2005)

Prairie ducks ; a study of their behavior, ecology, and management.
by: Sowls, Lyle K.
Published: (1955)

The great gallery of ducks and other waterfowl /
by: LeMaster, Richard, 1928-
Published: (1985)

Ducks : habitat, behavior and diseases /
Published: (2013)

Just ducks! /
by: Davies, Nicola, 1958-
Published: (2012)

The ring-necked duck in the Northeast /
by: Mendall, Howard Lewis
Published: (1958)

Regional Climate Effect on Population Abundance of Major Duck Species in Interior Plains of Canada /
by: Sun, Mengmeng
Published: (2013)

The unique wood duck : tableau of a field trip with Frank Bellrose and Scott Nielsen /
by: McCabe, Richard E.
Published: (1993)

Ecology and management of the wood duck /
by: Bellrose, Frank C. (Frank Chapman), 1916-2005
Published: (1994)

Ducks Unlimited's wing watcher's guide : a guide to field identification of waterfowl /
Published: (1973)

Deer and elk management analysis guide, 1992-94 /
Published: (1993)

Evaluations of duck habitat and estimation of duck population sizes with a remote-sensing-based system /
by: Cowardin, Lewis M.
Published: (1995)

Food of game ducks in the United States and Canada /
by: Martin, Alexander C. (Alexander Campbell), 1897-
Published: (1939)

The calls of ducks and geese /
by: Elliott, Lang
Published: (2008)

A first look at ducks, geese, and swans /
by: Selsam, Millicent E. (Millicent Ellis), 1912-1996
Published: (1990)

Modeling elk and bison carrying capacity for Great Sand Dunes National Park, Baca National Wildlife Refuge, and the Nature Conservancy's Medano Ranch, Colorado /
by: Wockner, Gary
Published: (2015)

A Fish and wildlife plan for Colorado : program for the decade.
Published: (1990)