Vanished and vanishing parrots : profiling extinct and endangered species /

Conservation of new world parrots : proceedings of the [second] ICBP Parrot Working Group Meeting, St. Lucia, [April 15-19], 1980 /
Published: (1982)

New World parrots in crisis : solutions from conservation biology /
Published: (1992)

Australian parrots /
by: Forshaw, Joseph Michael
Published: (1969)

The parrots of Luquillo : natural history and conservation of the Puerto Rican parrot /
by: Snyder, Noel F. R.
Published: (1987)

Extinct and vanishing birds of the world /
by: Greenway, James C. (James Cowan), 1903-1989
Published: (1967)

A field guide to the warblers of Britain and Europe /
by: Moore, Alick
Published: (1983)

Shorebirds : an identification guide to the waders of the world /
by: Hayman, Peter
Published: (1986)

Wildfowl of Britain and Europe /
by: Ogilvie, Malcolm Alexander
Published: (1982)

The parrots of Australia ; a guide to field identification and habits /
by: Eastman, William R.
Published: (1966)

The parrots of Australia ; a guide to field identification and habits /
by: Eastman, William R.
Published: (1966)

A field guide to hawks of North America /
by: Clark, William S., 1937-
Published: (1987)

Hawks in flight : the flight identification of North American migrant raptors /
by: Dunne, Pete, 1951-
Published: (1988)

Southern albatrosses and petrels : an identification guide /
by: Harper, Peter C.
Published: (1978)

Gulls, a guide to identification /
by: Grant, P. J. (Peter James)
Published: (1986)

Waterfowl : an identification guide to the ducks, geese, and swans of the world /
by: Madge, Steve
Published: (1988)

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

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

On the trail of vanishing birds.
by: Allen, Robert Porter
Published: (1957)

The popular handbook of rarer British birds /
by: Hollom, P. A. D. (Philip Arthur Dominic)
Published: (1980)

Raptors of the world /
by: Ferguson-Lees, James
Published: (2005)

Sparrows and buntings : a guide to the sparrows and buntings of North America and the world /
by: Byers, Clive
Published: (1995)

The shorebird guide /
by: O'Brien, Michael, 1965 April 24-
Published: (2006)

The birds of prey of Australia : a field guide to Australian raptors /
by: Debus, Stephen J. S.
Published: (1998)

Parrots of the world /
by: Forshaw, Joseph Michael
Published: (1977)

Parrots of the world /
by: Forshaw, Joseph Michael
Published: (1973)

Tanagers, cardinals, and finches of the United States and Canada : the photographic guide /
by: Beadle, David, 1961-
Published: (2006)

Vanishing songbirds : the sixth order : wood warblers and other passerine birds /
by: Porter, Eliot, 1901-1990
Published: (1996)

Endangered parrots /
by: Low, Rosemary
Published: (1994)

The Macmillan birder's guide to European and Middle Eastern birds : including North Africa /
by: Shirihai, Hadoram
Published: (1996)

Birds of Nepal : with reference to Kashmir and Sikkim /
by: Fleming, Robert L. (Robert Leland), 1905-
Published: (1976)

Birds of prey /
by: Latimer, Jonathan P.
Published: (1999)

A field guide to the seabirds of Britain and the world /
by: Tuck, G. S. (Gerald S.)
Published: (1978)

A field guide to Western birds' nests : of 520 species found breeding in the United States west of the Mississippi River /
by: Harrison, Hal H.
Published: (1979)

A field guide to the nests, eggs, and nestlings of British and European birds /
by: Harrison, Colin James Oliver
Published: (1975)

Swifts : a guide to the swifts and treeswifts of the world /
by: Chantler, Phil
Published: (1995)

Extinct and vanishing birds of the world.
by: Greenway, James C. (James Cowan), 1903-1989
Published: (1958)