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Home Guest Posts Page 4
Guava fruits (Psidium guajava) were the most important part of the diet for Red-and-Green Macaws reintroduced to the Iberá Wetlands. Photo credit: Noelia Volpe.
23 February 2022

AOS

Advances in Avian Diet: Methods and Applications, Part 2

By Sabrina S. Taylor, Senior Editor, Ornithology A Special Feature bringing together a series of papers highlighting Advances in Avian Diet: Methods and Applications in the AOS journals Ornithology and …

Lesser Yellowlegs “JE” takes flight along the Anchorage Coastal Wildlife Refuge. Photo credit: USFWS/Zak Pohlen.
10 February 2022

AOS

Probability of occurrence in harvest regions is greatest for eastern-breeding Lesser Yellowlegs

Linked paper: Eastern-breeding Lesser Yellowlegs are more likely than western-breeding birds to visit areas with high shorebird hunting during southward migration by Laura A. McDuffie, Katherine S. Christie, Autumn-Lynn Harrison, …

An adult Egyptian Vulture equipped with a GPS transmitter. Photo by Boaz Amidror.
03 February 2022

AOS

Release of captive-bred Egyptian Vultures to save the species — is it working?

By Ron Efrat Linked Paper: Postrelease survival of captive-bred Egyptian Vultures is similar to that of wild-hatched Egyptian Vultures and is not affected by release age or season by Ron …

Photo of Anna's hummingbird feeding mid-flight
Anna’s hummingbird (Calypte anna) feeding mid-flight on a manzanita species (Genus Arctostaphylos) in California, USA. Credit: Jerome Gaw (@CAScrubJay on Twitter)
03 December 2021

AOS

Advances in Avian Diet: Methods and Applications

By Sabrina S. Taylor, Senior Editor, Ornithology Studying avian diet has never been easy, but several methodological advances have enabled novel insights, collectively sparking a renewed interest and vigor in …

A random selection of Common Murre eggs from Skomer Island. Photo © J.E. Thompson and T.R. Birkhead. Used with permission.
09 November 2021

AOS

Distinctive egg color variations in Common Murres

By T. R. Birkhead Linked paper: Exceptional variation in the appearance of Common Murre eggs reveals their potential as identity signals by Tim R. Birkhead; Jamie E. Thompson; Amelia R. …

eleven individual photos of different colorful songbird species
Eleven species of Neotropical migrants. Photos by Nick Bayly.
08 October 2021

AOS

Celebrating World Migratory Bird Day in the Americas

By Catherine Lindell, Editor-in-Chief, Ornithological Applications In honor of World Migratory Bird Day in the Americas on 9 October, we draw attention to some of the articles and blog posts …

Blackpoll warbler sitting on a branch in a tree
Blackpoll Warbler, Guajira Peninsula, Colombia. Photo by Nick Bayly.
07 September 2021

AOS

So much to eat, so little time: A rapid refueling stop on arrival in South America is key to epic migration of the Blackpoll Warbler

By Nicholas J. Bayly Linked paper: Rapid recovery by fat- and muscle-depleted Blackpoll Warblers following trans-oceanic migration is driven by time-minimization by Nicholas J. Bayly, Kenneth V. Rosenberg, D. Ryan …

Point Blue Avian Ecologist Mark Dettling, Bird Survey in Pinnacles National Monument. Photo by Megan Elrod/Point Blue
04 August 2021

AOS

Do protected areas work? Long-term monitoring shows protected areas safeguard bird populations and support federal and state mandates

By Point Blue Conservation Science Linked paper: Protected areas safeguard landbird populations in central coastal California: evidence from long-term population trends by Mark D. Dettling, Kristen E. Dybala, Diana L. …

04 August 2021

AOS

Ostrich evolution revealed: Fossil finds shed new light on the evolution of the African ratite

By Gerald Mayr, Senckenberg Research Institute and Natural History Museum in Frankfurt Linked paper: Extinct crane-like birds (Eogruidae and Ergilornithidae) from the Cenozoic of Central Asia are indeed ostrich precursors …

Boreal forest canopy. Photo by Brett W. Benz.
Boreal forest from one of the study sites. Photo by Brett W. Benz.
07 July 2021

AOS

Variation in migration phenology of boreal breeding birds is linked to evolutionary adaptations for long-distance migration

By Ben Winger Linked paper: Migration distance is a fundamental axis of the slow-fast continuum of life history in boreal birds by Benjamin M. Winger and Teresa M. Pegan, Ornithology …

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