Gary Ritchison (@GaryRitchison) profile picture

Gary Ritchison

@GaryRitchison

Email address: ritchisong@gmail.com

 Richmond, Kentucky
avesbiology.com
Joined January 2022
  • Tweets66.5K
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  • Followers386
In a Class of Their Own A Detailed Examination of Avian Forms and Functions Three volumes - 2513 pages Available from Springer Link (Hardcopy or ebook): link.springer.com/book/10.10… Also available from Amazon: amazon.com/Class-Their-Own-E… (Click on 'Read sample' to view TOC)
Image from Gary Ritchison (@GaryRitchison)
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Power Line Corridors in a Protected African Savanna Alter Vegetation Structure and Avian Community Composition: A Mixed-Methods Assessment mdpi.com/3042-5689/1/4/16
Power Line Corridors in a Protected African Savanna Alter Vegetation Structure and Avian Community...

Power Line Corridors in a Protected African Savanna Alter Vegetation Structure and Avian Community...

Overhead power infrastructure presents a documented but under quantified risk to biodiversity in protected areas, and sub-Saharan empirical evidence remains particularly scarce. We evaluated vegeta...

mdpi.com
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Fifty Years of Duck Nest Survival Dynamics Shaped by Predator Community and Land-Use Changes frontiersin.org/journals/eco…
Frontiers | Fifty Years of Duck Nest Survival Dynamics Shaped by Predator Community and Land-Use...

Frontiers | Fifty Years of Duck Nest Survival Dynamics Shaped by Predator Community and Land-Use...

Nest survival represents a central demographic driver of duck population dynamics across North America, although the mechanisms shaping temporal variability ...

frontiersin.org
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Spatial patterns of the bird-related sentiment index and its nonlinear environmental associations: Evidence from social media and explainable machine learning journals.plos.org/plosone/ar…
Spatial patterns of the bird-related sentiment index and its nonlinear environmental associations:...

Spatial patterns of the bird-related sentiment index and its nonlinear environmental associations:...

As cities become denser and more artificial, encounters with birds are closely tied to how residents perceive urban nature. However, evidence on the spatial patterns and environmental correlates of...

journals.plos.org
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Without USAID, Guatemala’s Forest Stewards Search for Sustainability Communities in the Maya Biosphere Reserve are figuring out new ways to fund their work and protect their forest after losing key funding. biographic.com/without-usaid…
Without USAID, Guatemala’s Forest Stewards Search for Sustainability | bioGraphic

Without USAID, Guatemala’s Forest Stewards Search for Sustainability | bioGraphic

Communities in the Maya Biosphere Reserve are figuring out new ways to fund their work and protect their forest after losing key funding.

biographic.com
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‘You need strong willpower’: IUCN’s Kazi Zenifar Azmiri on being a woman wildlife biologist news.mongabay.com/2026/11/yo…
‘You need strong willpower’: IUCN’s Kazi Zenifar Azmiri on being a woman wildlife biologist

‘You need strong willpower’: IUCN’s Kazi Zenifar Azmiri on being a woman wildlife biologist

For more than a decade, Kazi Zenifar Azmiri has played a crucial part in protecting wildlife in Bangladesh. Zenifar is a program associate at the International Union for Conservation of Nature...

news.mongabay.com
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Puffin numbers down in survey after tough winter bbc.com/news/articles/cmn4e4…
Farne Islands annual bird survey shows puffin numbers down

Farne Islands annual bird survey shows puffin numbers down

Some seabirds see a rise in numbers despite hard conditions, the National Trust confirms.

bbc.com
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A historical review of translocations of native bird species in Australia: the good, the bad and the perverse tandfonline.com/doi/full/10.…
A historical review of translocations of native bird species in Australia: the good, the bad and...

A historical review of translocations of native bird species in Australia: the good, the bad and...

The Australian bird fauna has undergone many changes since European colonisation in 1788. This review focuses on the role of translocations in these changes. Translocations began in the 1830s and h...

tandfonline.com
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D.C. Bird-Watchers Fear the Government Is Taking Away Their Favorite Spot washingtonsun.com/metro/dc/b…
D.C. Bird-Watchers Fear the Government Is Taking Away Their Favorite Spot

D.C. Bird-Watchers Fear the Government Is Taking Away Their Favorite Spot

More bird species have been recorded at Hains Point than anywhere else in the District.

washingtonsun.com
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Novel nesting behavior in a population of Sooty Fox Sparrows (Passerella iliaca fuliginosa): white feathers as the common lining material on Mandarte Island (British Columbia, Canada) tandfonline.com/doi/full/10.…
Novel nesting behavior in a population of Sooty Fox Sparrows (Passerella iliaca fuliginosa): white...

Novel nesting behavior in a population of Sooty Fox Sparrows (Passerella iliaca fuliginosa): white...

The use of feathers as avian nesting material serves multiple functions, including thermal insulation, signals of parental quality, and antimicrobial defense. However, the functional significance o...

tandfonline.com
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The Bird Guide: North America An interview with authors Brian Sullivan and Chris Wood press.princeton.edu/ideas/th…
The Bird Guide: North America | An interview with authors Brian Sullivan and Chris Wood

The Bird Guide: North America | An interview with authors Brian Sullivan and Chris Wood

How did eBird, Merlin, and two decades of birding data transform our understanding of North American birds? The creators of The Bird Guide: North America discuss the science, art, and technology...

press.princeton.edu
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Humble house sparrows roosting in Spain evoke a childhood memory theguardian.com/environment/…
Humble house sparrows roosting in Spain evoke a childhood memory

Humble house sparrows roosting in Spain evoke a childhood memory

Forget the hoopoes and the ring-necked parakeets, the highlight of our trip was a sound I hadn’t heard for 50 years

theguardian.com
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Bird flu has caused catastrophic die-offs – could a wave of extinctions follow? theguardian.com/environment/…
Bird flu has caused catastrophic die-offs – could a wave of extinctions follow?

Bird flu has caused catastrophic die-offs – could a wave of extinctions follow?

As the IUCN global conservation body prepares to update its red list of endangered species, scientists explain why calculating the true toll of a pandemic is so hard

theguardian.com
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What DNA Tells Us About the Evolution of Birds [video] youtube.com/watch?v=87_8lMOV…
Dr. Jeremy J. Kirchman • What DNA Tells Us About the Evolution of Birds • October 2026

Dr. Jeremy J. Kirchman • What DNA Tells Us About the Evolution of Birds • October 2026

Dr. Jeremy J. Kirchman • What DNA Tells Us About the Evolution of B...

youtube.com
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Forest condition drives wood thrush colonization and extinction onlinelibrary.wiley.com/doi/…
Forest condition drives wood thrush colonization and extinction

Forest condition drives wood thrush colonization and extinction

Between season occupancy dynamics, such as colonization and extinction events, can be used to elucidate important relationships between species and their breeding habitat. We used 13 years of...

esajournals.onlinelibrary.wiley.com
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A Comparison of Owl Pellet Analysis and Conventional Trapping: A Review of Central European Cases for the Study of Small Mammal Communities and More Efficient Paleoenvironmental Reconstructions onlinelibrary.wiley.com/doi/…
A Comparison of Owl Pellet Analysis and Conventional Trapping: A Review of Central European Cases...

A Comparison of Owl Pellet Analysis and Conventional Trapping: A Review of Central European Cases...

The paper compares two commonly used methods of monitoring small mammals—owl pellet analysis and traditional trapping methods—by examining cases in Central Europe. Although owl pellet analysis...

onlinelibrary.wiley.com
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Survival of Eurasian Curlew Chicks Varies With Vegetation Structure in a Diverse Lowland Landscape onlinelibrary.wiley.com/doi/…
Survival of Eurasian Curlew Chicks Varies With Vegetation Structure in a Diverse Lowland Landscape

Survival of Eurasian Curlew Chicks Varies With Vegetation Structure in a Diverse Lowland Landscape

Intensive monitoring of 235 Eurasian curlew chicks in Breckland, eastern England, revealed high mortality, with over 72% dying within two weeks of hatching. Chick survival was higher in shorter...

zslpublications.onlinelibrary.wiley.com
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Gary Ritchison retweeted
Dan Baldassarre (@evornithology) profile picture
Dan Baldassarre@evornithologyNov 10
Wait, when did this happen? Last I heard, the proposal to move YBCH from Icteriidae (monotypic) into Icteridae with the blackbirds was considered and rejected in 2025. Don't see it on the list of proposals for 2026...
Image from Dan Baldassarre (@evornithology)
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Factors affecting Lepidoptera and Coleoptera morphospecies metrics on West Virginia managed forests, and relationships to Eastern Whip-poor-will occupancy ace-eco.org/vol21/iss2/art16…
Factors affecting Lepidoptera and Coleoptera morphospecies metrics on West Virginia managed...

Factors affecting Lepidoptera and Coleoptera morphospecies metrics on West Virginia managed...

The diets of caprimulgids and factors affecting their prey are not well understood, despite consistent range-wide caprimulgid population declines in recent decades. Antrostomus vociferus (Eastern...

ace-eco.org
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Embryonic estrogens induce hypothalamic progesterone receptor expression to support brain feminization in birds sciencedirect.com/science/ar…
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Gary Ritchison retweeted
BirdGuides (@BirdGuides) profile picture
BirdGuides@BirdGuides23h
Spain's Critically Endangered Marbled Duck has continued its recovery, with 172 breeding females and 1,427 chicks recorded in 2025: f.mtr.cool/y656d4100a
Marbled Duck recovery gathers pace after Spanish wetland restoration

Marbled Duck recovery gathers pace after Spanish wetland restoration

Spain recorded 172 breeding female Marbled Duck and 1,427 chicks in 2025, following a conservation programme that restored more than 3,600 ha of wetlands and released thousands of captive-bred birds.

birdguides.com
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