A field guide to western birds : field marks of all species found in North America west of the 100th meridian, with a secion on the birds of the Hawaiian Islands
1961
Peterson, Roger Tory |
North America
Hummingbirds and their flowers
1968
Grant, Karen A. |
Grant, Verne |
A field guide to the birds : giving field marks of all species found east of the Rockies
1963
Peterson, Roger Tory |
Birds of North America
1975
Rand, Austin Loomer |
Handbook of North American birds
1962
Palmer, Ralph S. |
Birds of western North America : non-passerines
1974
Binford, Laurence C. |
Land birds of America
1953
Murphy, Robert Cushman |
Amadon, Dean |