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Ornithology

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Extreme Cold and Heavy Rain Harm Great Tit Chicks, Oxford 60-Year Study Finds

The analysis pinpoints vulnerable stages in development using daily weather records matched to more than 80,000 birds.

Study Traces Live Amazonian Parrots Carried Across Andes to Pre-Inca Coast

Great Backyard Bird Count Kicks Off Worldwide Feb. 13–16

Study Finds Avian Malaria Endemic Across Hawaiʻi, Carried by Most Forest Birds

Harpy Eagle Chick Confirmed in Brazil’s Pantanal as Separate Rescue Follows Truck Collision in Rondônia

CONICET and Rewilding Argentina Launch 24/7 Magellanic Penguin Livestream

Taiga Flycatcher Draws Crowds to Vancouver in First-Ever Canada Sighting

Cornell Unveils Wearable Ultrablack Wool With Record 0.13% Reflectance

Miyazaki Confirms High-Path Avian Flu at Hyuga Poultry Farm as Culling Begins

Avian Flu Surge Pushes German Labs to the Limit as Authorities Expand Restriction Zones

Study Reveals Woodpeckers Sync Each Strike With a Breath to Act Like Hammers

Japan’s First High-Path Avian Flu Case Confirmed in Blakiston’s Fish Owl

H5N1 Outbreak Leaves Thousands of Migrating Cranes Dead Across West-European Flyway

Solar Eclipse Reset Daily Rhythms for Many Birds, Science Study Finds

Cantabria Confirms First H5N1 Case in Seagull as ER Group Urges Readiness

First Confirmed Wild Blue Jay–Green Jay Hybrid Verified in Texas

Texas Backyard Bird Confirmed as Rare Blue Jay–Green Jay Hybrid

UT Austin Confirms Wild Green–Blue Jay Hybrid in Texas

H5N1 Confirmed on Antarctica’s King George Island as Researchers Report Seabird Deaths

Light Pollution Extends Diurnal Birds’ Singing by Nearly an Hour, Global Study Finds