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Articles 76591 - 76620 of 1104001

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Winter Microclimate Of Bald Eagle Roosts On The Northern Chesapeake Bay, David A. Buehler, Timothy J. Mersmann, James D. Fraser, Janis K. D. Seegar Sep 2024

Winter Microclimate Of Bald Eagle Roosts On The Northern Chesapeake Bay, David A. Buehler, Timothy J. Mersmann, James D. Fraser, Janis K. D. Seegar

The Auk

No abstract provided.


Noninvasive Determination Of Embryonic Heart Rate During Hatching In The Brown Noddy (Anous Stolidus), Hiroshi Tazawa, Osamu Kuroda, G. Causey Whittow Sep 2024

Noninvasive Determination Of Embryonic Heart Rate During Hatching In The Brown Noddy (Anous Stolidus), Hiroshi Tazawa, Osamu Kuroda, G. Causey Whittow

The Auk

No abstract provided.


Marine Protein Contributions To The Diet Of Northern Saw-Whet Owls On The Queen Charlotte Islands: A Stable-Isotope Approach, Keith A. Hobson, Spencer G. Sealy Sep 2024

Marine Protein Contributions To The Diet Of Northern Saw-Whet Owls On The Queen Charlotte Islands: A Stable-Isotope Approach, Keith A. Hobson, Spencer G. Sealy

The Auk

No abstract provided.


The Adaptive Value Of Thick-Shelled Eggs For Brown-Headed Cowbirds, Patrick J. Weatherhead Sep 2024

The Adaptive Value Of Thick-Shelled Eggs For Brown-Headed Cowbirds, Patrick J. Weatherhead

The Auk

No abstract provided.


The Enigma Of Multiple Nest Building By Male Marsh Wrens, Karen J. Metz Sep 2024

The Enigma Of Multiple Nest Building By Male Marsh Wrens, Karen J. Metz

The Auk

No abstract provided.


Facultative Helping By Pygmy Nuthatches, William J. Sydeman Sep 2024

Facultative Helping By Pygmy Nuthatches, William J. Sydeman

The Auk

No abstract provided.


Sequential Polyandry In The Common Redpoll (Carduelis Flammea), Gilles Seutin, Peter T. Boag, Bradley N. White, Laurene M. Ratcliffe Sep 2024

Sequential Polyandry In The Common Redpoll (Carduelis Flammea), Gilles Seutin, Peter T. Boag, Bradley N. White, Laurene M. Ratcliffe

The Auk

No abstract provided.


Sexual Selection And Parasites In Wood-Warblers, Patrick J. Weatherhead, Gordon F. Bennett, Dave Shutler Sep 2024

Sexual Selection And Parasites In Wood-Warblers, Patrick J. Weatherhead, Gordon F. Bennett, Dave Shutler

The Auk

No abstract provided.


Song Categories And Their Functions In The Field Sparrow (Spizella Pusilla), Douglas A. Nelson, Lisa J. Croner Sep 2024

Song Categories And Their Functions In The Field Sparrow (Spizella Pusilla), Douglas A. Nelson, Lisa J. Croner

The Auk

No abstract provided.


Evolution Of Short Incubation Periods In The Parasitic Cowbirds, Molothrus Spp, James V. Briskie, Spencer G. Sealy Sep 2024

Evolution Of Short Incubation Periods In The Parasitic Cowbirds, Molothrus Spp, James V. Briskie, Spencer G. Sealy

The Auk

No abstract provided.


Measures Of Wing Area And Wing Span From Wing Formula Data, Duncan Stuart Evered Sep 2024

Measures Of Wing Area And Wing Span From Wing Formula Data, Duncan Stuart Evered

The Auk

No abstract provided.


Possible Causes Of Territory Takeovers In A North-Temperate Population Of House Wrens, L. Scott Johnson, L. Henry Kermott Sep 2024

Possible Causes Of Territory Takeovers In A North-Temperate Population Of House Wrens, L. Scott Johnson, L. Henry Kermott

The Auk

No abstract provided.


Foraging Behavior And Microhabitat Use Of Two Species Of White-Eyes (Zosteropidae) On Saipan, Micronesia, Robert J. Craig Sep 2024

Foraging Behavior And Microhabitat Use Of Two Species Of White-Eyes (Zosteropidae) On Saipan, Micronesia, Robert J. Craig

The Auk

No abstract provided.


Terminal-Egg Chilling And Hatching Intervals In The American White Pelican, Roger M. Evans Sep 2024

Terminal-Egg Chilling And Hatching Intervals In The American White Pelican, Roger M. Evans

The Auk

No abstract provided.


Early Nest Departure Does Not Improve The Survival Of Lapland Longspur Chicks, Robert L. Mclaughlin, Robert D. Montgomerie Sep 2024

Early Nest Departure Does Not Improve The Survival Of Lapland Longspur Chicks, Robert L. Mclaughlin, Robert D. Montgomerie

The Auk

No abstract provided.


In Memoriam: Frank W Preston, Harold F. Mayfield Sep 2024

In Memoriam: Frank W Preston, Harold F. Mayfield

The Auk

No abstract provided.


The Measurement Of Overall Body Size In Birds, James D. Rising, Keith M. Somers Sep 2024

The Measurement Of Overall Body Size In Birds, James D. Rising, Keith M. Somers

The Auk

No abstract provided.


Sex Ratios Of Fledgling Golden Eagles And Jackrabbit Densities, Todd W. Arnold Sep 2024

Sex Ratios Of Fledgling Golden Eagles And Jackrabbit Densities, Todd W. Arnold

The Auk

No abstract provided.


Sex Ratios Of Fledgling Golden Eagles, Gary R. Bortolotti Sep 2024

Sex Ratios Of Fledgling Golden Eagles, Gary R. Bortolotti

The Auk

No abstract provided.


In Memoriam: Frank B Smithe (1892-1989), Dean Amadon Sep 2024

In Memoriam: Frank B Smithe (1892-1989), Dean Amadon

The Auk

No abstract provided.


Body Reserve And Food Use By Incubating Canada Geese, Andrew J. Murphy, David A. Boag Sep 2024

Body Reserve And Food Use By Incubating Canada Geese, Andrew J. Murphy, David A. Boag

The Auk

No abstract provided.


Role Of The Proctodeal Gland Foam Of Male Japanese Quail In Natural Copulations, Kimberly M. Hickman, Cathleen R. Nichols Sep 2024

Role Of The Proctodeal Gland Foam Of Male Japanese Quail In Natural Copulations, Kimberly M. Hickman, Cathleen R. Nichols

The Auk

No abstract provided.


Genetic Analysis Of Offspring Of A Female-Female Pair In The Lesser Snow Goose (Chen C Caerulescens), Thomas W. Quinn, J. Chris Davies, Fred Cooke, Bradley N. White Sep 2024

Genetic Analysis Of Offspring Of A Female-Female Pair In The Lesser Snow Goose (Chen C Caerulescens), Thomas W. Quinn, J. Chris Davies, Fred Cooke, Bradley N. White

The Auk

No abstract provided.


Conditions And Significance Of Night Feeding In Shorebirds And Other Water Birds In A Tropical Lagoon, Michel Robert, Raymond Mcneil, Alain Leduc Sep 2024

Conditions And Significance Of Night Feeding In Shorebirds And Other Water Birds In A Tropical Lagoon, Michel Robert, Raymond Mcneil, Alain Leduc

The Auk

No abstract provided.


Search-Path Characteristics Of Foraging Ruddy Ducks, Michael W. Tome Sep 2024

Search-Path Characteristics Of Foraging Ruddy Ducks, Michael W. Tome

The Auk

No abstract provided.


Egg Temperatures And Parental Behavior During The Transition From Incubation To Brooding In The American White Pelican, The Auk Sep 2024

Egg Temperatures And Parental Behavior During The Transition From Incubation To Brooding In The American White Pelican, The Auk

The Auk

No abstract provided.


Song Similarity Between Neighboring American Redstarts (Setophaga Ruticilla): A Statistical Analysis, N. L. Shackell, R. E. Lemon, D. Roff Sep 2024

Song Similarity Between Neighboring American Redstarts (Setophaga Ruticilla): A Statistical Analysis, N. L. Shackell, R. E. Lemon, D. Roff

The Auk

No abstract provided.


Reproductive Success And Colony-Site Tenacity In Caspian Terns, Francesca J. Cuthbert Sep 2024

Reproductive Success And Colony-Site Tenacity In Caspian Terns, Francesca J. Cuthbert

The Auk

No abstract provided.


Timing Of Reproduction In Two Populations Of Willow Ptarmigan In Northern Canada, Susan J. Hannon, Kathy Martin, Jim O. Schieck Sep 2024

Timing Of Reproduction In Two Populations Of Willow Ptarmigan In Northern Canada, Susan J. Hannon, Kathy Martin, Jim O. Schieck

The Auk

No abstract provided.


Genetic Variation In Sympatric Willow Flycatchers (Empidonax Traillii) And Alder Flycatchers (E Alnorum), Gilles Seutin, Jean-Pierre Simon Sep 2024

Genetic Variation In Sympatric Willow Flycatchers (Empidonax Traillii) And Alder Flycatchers (E Alnorum), Gilles Seutin, Jean-Pierre Simon

The Auk

No abstract provided.