W. P. Mueller
@wpmueller.bsky.social
940 followers 1.7K following 5.2K posts
Ornithologist/environmentalist focused on biodiversity conservation and ethical behavior toward all of life; Emeritus Director of Lake Michigan Bird Observatory, in Wisconsin, USA. (He, him). Born at 310.7 ppm carbon in the atmosphere.
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Reposted by W. P. Mueller
bou.org.uk
BOU @bou.org.uk · 11h
Little Egret breeding colonies and geographical expansion in the south-west of Western Australia | afo.birdlife.org.au/... | Australian Field Ornithology | #ornithology 🪶
Reposted by W. P. Mueller
wilsonornithsoc.bsky.social
Latest articles from the WJO: Demographic trends for the Boreal Owl, Aegolius funereus, using standardized migration monitoring data in eastern North America. #ornithology doi.org/10.1080/1559...
photo of a boreal owl, a small brown-streaked owl with a round face and yellow eyes, perched on a branch by the trunk of an evergreen tree
Reposted by W. P. Mueller
skatsanevakis.bsky.social
Happy to present today #GuardIAS at #ICMB2025 — showcasing how emerging #technologies and #CitizenScience are combined to track and tackle aquatic invasive species in Europe.
🌍🔬💧🌐🧪 #InvasiveSpecies #bioinvasions @guardias.bsky.social
Reposted by W. P. Mueller
wilsonornithsoc.bsky.social
"I hope that this article will get more people thinking about learning and mimicry in calls and call variation in general. Clearly there is a lot to be learned on this topic, even in one of the most thoroughly studied North American bird species." #ornithology
Guest Post – Lessons From Yard Listing: What I Learned From a Few Bilingual White-throated Sparrows
I have always loved listening to birds, and I am especially fascinated by birds that mimic other species.
wilsonsociety.org
Reposted by W. P. Mueller
bou.org.uk
Wild Birds Affected by Highly Pathogenic Avian Influenza A (H5N1) Worldwide: Epidemiological Insights Into the Recent Panzootic | onlinelibrary.wiley.... | Global Change Biology | #ornithology 🪶
Reposted by W. P. Mueller
bou.org.uk
The origins and functions of bowers in the Bowerbirds: a review and synthesis | doi.org/10.1080/0158... | Emu | #ornithology 🪶
Reposted by W. P. Mueller
wilsonornithsoc.bsky.social
WOS members, your periodic reminder: Bookmark wilson.wildapricot.org (our member portal) for quick, free online access to The Wilson Journal of #Ornithology! Just log in, click on "Publications," and follow the links there.
Wilson Ornithological Society - Home
wilson.wildapricot.org
Reposted by W. P. Mueller
bou.org.uk
BOU @bou.org.uk · 22h
EARLY VIEW in IBIS

Breeding and foraging habitat are important in determining foraging ranges of sympatric generalist species | onlinelibrary.wiley....

Chris B. Thaxter et al | #ornithology 🪶
Reposted by W. P. Mueller
bbs-birds.bsky.social
(1/) This week, we focus on the widespread but secretive Moorhen. This member of the rail family declined by 25% across the UK 1995–2023. It has especially declined in northern and western parts of the UK. @btobirds.bsky.social @jncc.bsky.social @rspbscience.bsky.social #Ornithology #CitizenScience
Moorhen and trend graph.
Reposted by W. P. Mueller
jenteo.bsky.social
New story on the Avian Hybrids blog!

A song of ice and forest: Genomic analyses uncover a hybrid zone between Palm Warbler subspecies
avianhybrids.wordpress.com/2025/10/08/a...

Based on the Molecular Ecology paper by Gihyun Yoo and Jason Weir | #ornithology
A song of ice and forest: Genomic analyses uncover a hybrid zone between Palm Warbler subspecies
But why is speciation less common in eastern North America?
avianhybrids.wordpress.com
Reposted by W. P. Mueller
marineorno.bsky.social
New paper alert: Behavioral response of Atlantic Puffins Fratercula arctica to marine heatwaves in the Gulf of Maine, USA: A webcam study. By Julie Wallace et al.
#seabirds #OpenAccess #HeatWaves

www.marineornithology.org/PDF/53_2/53_...
An Atlantic puffin at the colony.
Reposted by W. P. Mueller
bou.org.uk
BOU @bou.org.uk · 18h
Birds of a feather: Comprehensive plumage colour analysis for a revised subspecies classification of the Chestnut-winged Babbler (Cyanoderma erythropterum) species complex | www.sciencedirect.co... | Avian Research | #ornithology 🪶
Reposted by W. P. Mueller
theseabirdgroup.bsky.social
Pour yourself a coffee and have a read of this tragic story about the last pair of Great Auks for #Auktober ♥️