Thousands of people from around the world responded to the invitation, sharing their sightings with scientists at the Cornell Lab of Ornithology.
Author: Emily Anthes
Urban Animals Can’t Take the Heat, Study Finds
A warming climate could make cities even less hospitable to wild mammals, according to new research.
How to Track a Songbird from Alaska to Peru
To follow an olive-sided flycatcher, first you have to catch it.
From an Ancient Soil Sample, Clues to An Ice Sheet’s Future
A rediscovered sample of frozen sediment, collected more than 50 years ago, highlights the vulnerability of Greenland’s ice sheet to a warming climate.
‘They’re Outsmarting Us’: Birds Build Nests from Anti-Bird Spikes
Strips of sharp metal pins are meant to keep birds away from buildings. Some birds are stealing them to build their nests.
Wild Mammals Roamed When Covid Kept Humans Home
Strict pandemic lockdowns may have allowed animals to range more widely and spend time closer to roads, a new study suggests.
Bird Flu Vaccine Authorized for Emergency Use in California Condors
More than 20 of the birds, which are critically endangered, have died in recent months.
What It Takes to Be Top Dog Judge
For these canine experts, an invitation to pick the winners of the Westminster Kennel Club Dog Show is an honor — and a serious responsibility.
W.H.O. Dismisses Covid Origins Investigator for Sexual Misconduct
Peter K. Ben Embarek led a contentious international investigation into the origins of the Covid-19 pandemic.
From Alpacas to Yaks, Mammal DNA Yields Its Secrets
The genomes of monkeys, bats, whales and many other mammals are helping scientists tackle big questions about physiology, evolution and one very famous sled dog.