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Clark's Nutcracker In Northwestern Michigan, Walter T. Fisher
Clark's Nutcracker In Northwestern Michigan, Walter T. Fisher
The Auk
No abstract provided.
Krider's Hawk In Kentucky, Burt L. Monroe, Robert M. Mengel
Krider's Hawk In Kentucky, Burt L. Monroe, Robert M. Mengel
The Auk
No abstract provided.
Hoary And Greater Redpolls In Vermont, Wendell P. Smith
Nesting Of The Southern Robin In Northwestern Alabama, F. W. Mccormack
Nesting Of The Southern Robin In Northwestern Alabama, F. W. Mccormack
The Auk
No abstract provided.
Notes On Some Ducks Collected In Kentucky, Burt L. Monroe, Robert M. Mengel
Notes On Some Ducks Collected In Kentucky, Burt L. Monroe, Robert M. Mengel
The Auk
No abstract provided.
Additional Bird Records For Grand Canyon National Park, William H. Behle, Edwin D. Mckee
Additional Bird Records For Grand Canyon National Park, William H. Behle, Edwin D. Mckee
The Auk
No abstract provided.
Notes On The Status Of The Red Crossbill In Utah, C. Lynn Hayward
Notes On The Status Of The Red Crossbill In Utah, C. Lynn Hayward
The Auk
No abstract provided.
Notes On Two Rare Birds In Chiapas, Mexico, Pierce Brodkorb
Notes On Two Rare Birds In Chiapas, Mexico, Pierce Brodkorb
The Auk
No abstract provided.
Duck Hawk At Sea, D. S. Bullock
Status Of Dendroica Cerulea In Eastern Maryland, Haven Kolb
Status Of Dendroica Cerulea In Eastern Maryland, Haven Kolb
The Auk
No abstract provided.
Duck Hawk Eyries In Southern States, Richard Herbert, Roger T. Peterson, Walter R. Spofford
Duck Hawk Eyries In Southern States, Richard Herbert, Roger T. Peterson, Walter R. Spofford
The Auk
No abstract provided.
Spring Food Of The Robin In Central New York, W. J. Hamilton Jr.
Spring Food Of The Robin In Central New York, W. J. Hamilton Jr.
The Auk
No abstract provided.
Birds And Smell, Paul Bartsch
Raven Eats Mormon Cricket Eggs, G. F. Knowlton
The Incubation Period Of The Great Horned Owl, Arthur K. Gilkey, W. David Loomis, Bruce M. Breckenridge, C. Howard Richardson
The Incubation Period Of The Great Horned Owl, Arthur K. Gilkey, W. David Loomis, Bruce M. Breckenridge, C. Howard Richardson
The Auk
No abstract provided.
Bank Swallows Nesting In Artificial Holes, P. A. D. Hollom
Bank Swallows Nesting In Artificial Holes, P. A. D. Hollom
The Auk
No abstract provided.
Post-Breeding Pugnacity Of The Pine Warbler, Robert E. Stewart
Post-Breeding Pugnacity Of The Pine Warbler, Robert E. Stewart
The Auk
No abstract provided.
Chimney Swifts At Play?, Stanley C. Ball
The Name Of The Sumatran Crested Olive Bulbul, S. Dillon Ripley
The Name Of The Sumatran Crested Olive Bulbul, S. Dillon Ripley
The Auk
No abstract provided.
Two Oddly-Plumaged Ruffed Grouse, Leonard J. Uttal
A Peculiar Goshawk From Labrador, Josselyn Van Tyne
A New Swallow-Shrike, Ernst Mayr
Variation In The Outermost Greater Primary Covert As Related To Method Of Flight, George A. Petrides
Variation In The Outermost Greater Primary Covert As Related To Method Of Flight, George A. Petrides
The Auk
No abstract provided.
Outer Primaries As Age Determiners In Gallinaceous Birds, Philip L. Wright, Robert W. Hiatt
Outer Primaries As Age Determiners In Gallinaceous Birds, Philip L. Wright, Robert W. Hiatt
The Auk
No abstract provided.
Notes And News, The Auk
Obituaries, The Auk
Recent Literature, The Auk
Correspondence, The Auk
Critical Notes On Two Southwestern Sparrows, Allan R. Phillips
Critical Notes On Two Southwestern Sparrows, Allan R. Phillips
The Auk
No abstract provided.
New Species Of Birds Described From 1938 To 1941, John T. Zimmer, Ernst Mayr
New Species Of Birds Described From 1938 To 1941, John T. Zimmer, Ernst Mayr
The Auk
No abstract provided.