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Articles 43231 - 43260 of 733206

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Ecological Correlates Of Molt In Merlins (Falco Columbarius), Richard H. Espie, Paul C. James, Ian G. Warkentin, Lynn W. Oliphant Sep 2024

Ecological Correlates Of Molt In Merlins (Falco Columbarius), Richard H. Espie, Paul C. James, Ian G. Warkentin, Lynn W. Oliphant

The Auk

No abstract provided.


Thermoregulatory Role Of The Unfeathered Head And Neck In Male Wild Turkeys, Richard Buchholz Sep 2024

Thermoregulatory Role Of The Unfeathered Head And Neck In Male Wild Turkeys, Richard Buchholz

The Auk

No abstract provided.


Old Nest Material In Nest Boxes Of Tree Swallows: Effects On Nest-Site Choice And Nest Building, Wallace B. Rendell, Nicolaas A. Verbeek Sep 2024

Old Nest Material In Nest Boxes Of Tree Swallows: Effects On Nest-Site Choice And Nest Building, Wallace B. Rendell, Nicolaas A. Verbeek

The Auk

No abstract provided.


Attendance And Diet In Relation To Breeding Success In Herring Gulls (Larus Argentatus), Monika Bukacinska, Dariusz Bukacinski, Arie L. Spaans Sep 2024

Attendance And Diet In Relation To Breeding Success In Herring Gulls (Larus Argentatus), Monika Bukacinska, Dariusz Bukacinski, Arie L. Spaans

The Auk

No abstract provided.


Dietary Relationships Of Migrant And Resident Birds From A Humid Forest In Central Panama, Brigitte Poulin, Gaetan Lefebvre Sep 2024

Dietary Relationships Of Migrant And Resident Birds From A Humid Forest In Central Panama, Brigitte Poulin, Gaetan Lefebvre

The Auk

No abstract provided.


Dna Fingerprinting Reveals Polygyny In The Lesser Kestrel (Falco Naumanni), Jose L. Tella, Juan J. Negro, Morris Villarroel, Urs Kuhnlein, Fernardo Hiraldo, Jose A. Donazar Sep 2024

Dna Fingerprinting Reveals Polygyny In The Lesser Kestrel (Falco Naumanni), Jose L. Tella, Juan J. Negro, Morris Villarroel, Urs Kuhnlein, Fernardo Hiraldo, Jose A. Donazar

The Auk

No abstract provided.


An Association Of Habitat With Color Dimorphism In Finches, Trevor Price Sep 2024

An Association Of Habitat With Color Dimorphism In Finches, Trevor Price

The Auk

No abstract provided.


Effect Of Food Availability On Incubation Period In The Pied Flycatcher (Ficedula Hypoleuca), Juan Jose Sanz Sep 2024

Effect Of Food Availability On Incubation Period In The Pied Flycatcher (Ficedula Hypoleuca), Juan Jose Sanz

The Auk

No abstract provided.


Absence Of Blood-Parasitization Effects On Lesser Kestrel Fitness, Jose L. Tella, Manuela G. Forero, Alvaro Gajon, Fernando Hirlando, Jose A. Donazar Sep 2024

Absence Of Blood-Parasitization Effects On Lesser Kestrel Fitness, Jose L. Tella, Manuela G. Forero, Alvaro Gajon, Fernando Hirlando, Jose A. Donazar

The Auk

No abstract provided.


Trade-Offs Of Territory Choice In Male And Female Marsh Warblers, H. Hoi, R. Ille Sep 2024

Trade-Offs Of Territory Choice In Male And Female Marsh Warblers, H. Hoi, R. Ille

The Auk

No abstract provided.


Sex Difference In Breeding Age Of Griffon Vultures (Gyps Fulvus), Guillermo Blanco, Felix Martinez Sep 2024

Sex Difference In Breeding Age Of Griffon Vultures (Gyps Fulvus), Guillermo Blanco, Felix Martinez

The Auk

No abstract provided.


Age-Biased Spring Dispersal In Male Wild Turkeys, Alexander V. Badyaev, William J. Etges, Thomas E. Martin Sep 2024

Age-Biased Spring Dispersal In Male Wild Turkeys, Alexander V. Badyaev, William J. Etges, Thomas E. Martin

The Auk

No abstract provided.


Rediscovery Of The Pohnpei Mountain Starling (Aplonis Pelzelni), Donald W. Buden Sep 2024

Rediscovery Of The Pohnpei Mountain Starling (Aplonis Pelzelni), Donald W. Buden

The Auk

No abstract provided.


Relationship Between Testis Size And Mating Systems In American Sparrows (Emberizinae), J. D. Rising Sep 2024

Relationship Between Testis Size And Mating Systems In American Sparrows (Emberizinae), J. D. Rising

The Auk

No abstract provided.


Fledgling Adoption In Hooded Warblers (Wilsonia Citrina): Does Extrapair Paternity Play A Role?, Bridget J. Stutchbury, Lesley J. Evans Ogden Sep 2024

Fledgling Adoption In Hooded Warblers (Wilsonia Citrina): Does Extrapair Paternity Play A Role?, Bridget J. Stutchbury, Lesley J. Evans Ogden

The Auk

No abstract provided.


Foraging Habitat Use And Profitability In Tropical Roseate Terns And Sandwich Terns, David A. Shealer Sep 2024

Foraging Habitat Use And Profitability In Tropical Roseate Terns And Sandwich Terns, David A. Shealer

The Auk

No abstract provided.


Effects Of Supplemental Food On Size And Survival Of Juvenile Northern Goshawks, Johanna M. Ward, Patricia L. Kennedy Sep 2024

Effects Of Supplemental Food On Size And Survival Of Juvenile Northern Goshawks, Johanna M. Ward, Patricia L. Kennedy

The Auk

No abstract provided.


Neotropical Bird Migration During The Ice Ages: Orientation And Ecology, Timothy C. Williams, Thompson Webb Iii Sep 2024

Neotropical Bird Migration During The Ice Ages: Orientation And Ecology, Timothy C. Williams, Thompson Webb Iii

The Auk

No abstract provided.


Patterns Of Allozyme, Mitochondrial Dna, And Morphometric Variation In Four Sparrow Genera, Robert M. Zink, Rachelle C. Blackwell Sep 2024

Patterns Of Allozyme, Mitochondrial Dna, And Morphometric Variation In Four Sparrow Genera, Robert M. Zink, Rachelle C. Blackwell

The Auk

No abstract provided.


From Tragedy To Triumph: Renesting In Ring-Billed Gulls, Kevin M. Brown, Ralph D. Morris Sep 2024

From Tragedy To Triumph: Renesting In Ring-Billed Gulls, Kevin M. Brown, Ralph D. Morris

The Auk

No abstract provided.


Nest Concealment And Predation In Hooded Warblers: Experimental Removal Of Nest Cover, Joan S. Howlett, Bridget J. Stutchbury Sep 2024

Nest Concealment And Predation In Hooded Warblers: Experimental Removal Of Nest Cover, Joan S. Howlett, Bridget J. Stutchbury

The Auk

No abstract provided.


Do Males Exchange Feathers For Copulations In Tree Swallows?, Linda A. Whittingham, Peter O. Dunn, Raleigh J. Robertson Sep 2024

Do Males Exchange Feathers For Copulations In Tree Swallows?, Linda A. Whittingham, Peter O. Dunn, Raleigh J. Robertson

The Auk

No abstract provided.


Sunning By Black Noddies (Anous Minutus) May Kill Chewing Lice (Quadraceps Hopkinsi), Brett R. Moyer, Gary E. Wagenbach Sep 2024

Sunning By Black Noddies (Anous Minutus) May Kill Chewing Lice (Quadraceps Hopkinsi), Brett R. Moyer, Gary E. Wagenbach

The Auk

No abstract provided.


Within-Pair Copulations: Are Female Tree Swallows Feathering Their Own Nests?, Michael P. Lombardo Sep 2024

Within-Pair Copulations: Are Female Tree Swallows Feathering Their Own Nests?, Michael P. Lombardo

The Auk

No abstract provided.


Xiphorhynchus Striatigularis (Dendrocolaptidae): Nomen Monstrositatum, Kevin Winker Sep 2024

Xiphorhynchus Striatigularis (Dendrocolaptidae): Nomen Monstrositatum, Kevin Winker

The Auk

No abstract provided.


Quantitative Comparison Of Two Methods Of Assessing Diet Of Nestling Skylarks (Alauda Arvensis), John Grynderup Poulsen, Nicholas J. Aebischer Sep 2024

Quantitative Comparison Of Two Methods Of Assessing Diet Of Nestling Skylarks (Alauda Arvensis), John Grynderup Poulsen, Nicholas J. Aebischer

The Auk

No abstract provided.


An Experimental Test Of Offspring Recognition In Western Bluebirds, Marty L. Leonard, Janis L. Horn, Walter Koenig Sep 2024

An Experimental Test Of Offspring Recognition In Western Bluebirds, Marty L. Leonard, Janis L. Horn, Walter Koenig

The Auk

No abstract provided.


Accelerational Implications Of Hummingbird Display Dives, James L. Larimer, Robert Dudley Sep 2024

Accelerational Implications Of Hummingbird Display Dives, James L. Larimer, Robert Dudley

The Auk

No abstract provided.


Seasonal Variation In Circulating Carotenoid Pigments In The House Finch, Geoffrey E. Hill Sep 2024

Seasonal Variation In Circulating Carotenoid Pigments In The House Finch, Geoffrey E. Hill

The Auk

No abstract provided.


Interspecific Variation In Plasma Hue In Relation To Carotenoid Plumage Pigmentation, Geoffrey E. Hill Sep 2024

Interspecific Variation In Plasma Hue In Relation To Carotenoid Plumage Pigmentation, Geoffrey E. Hill

The Auk

No abstract provided.