Numerosity Around the Animal Kingdom
Numerosity Around the Animal Kingdom
Research in recent decades has explored how animals other than humans perceive different numbers of objects
Numerosity Around the Animal Kingdom
Numerosity Around the Animal Kingdom

Research in recent decades has explored how animals other than humans perceive different numbers of objects

Research in recent decades has explored how animals other than humans perceive different numbers of objects

birds
Talking Duck Stuns Animal Behavior Researcher
Talking Duck Stuns Animal Behavior Researcher
Christie Wilcox | Sep 5, 2021
Leiden University’s Carel ten Cate tracked down 34-year-old duck recordings—and the man who made them—to verify that musk ducks are capable of vocal learning, an ability that hadn’t been thought to exist in waterfowl.
New Study Fuels Debate About Source of Birds’ Magnetic Sense
New Study Fuels Debate About Source of Birds’ Magnetic Sense
Catherine Offord | Jun 23, 2021
A detailed analysis of cryptochrome 4 shows that the protein is highly sensitive to magnetic fields in vitro, but some researchers dispute the authors’ assertion that the findings could help explain avian magnetoreception.
Ten Minute Sabbatical
Ten Minute Sabbatical
Emily Cox and Henry Rathvon | Jun 1, 2021
Take a break from the bench to puzzle and peruse.
US Pesticide Use Is Down, but Damage to Pollinators Is Rising
US Pesticide Use Is Down, but Damage to Pollinators Is Rising
Amanda Heidt | Apr 5, 2021
The use of pesticides has decreased in the US by more than 40 percent since 1992, but the emergence of more-potent chemicals means that they are far more damaging to many species.
Bald Eagle Killer Identified
Bald Eagle Killer Identified
Abby Olena | Mar 25, 2021
After a nearly 30-year hunt, researchers have shown that a neurotoxin generated by cyanobacteria on invasive plants is responsible for eagle and waterbird deaths from vacuolar myelinopathy.
Lessons from Darwin’s “Mischievous” Birds
Lessons from Darwin’s “Mischievous” Birds
Jonathan Meiburg | Mar 1, 2021
An unsung group of South American falcons yields clues to the prehistory of a continent, and hints at secrets of the avian brain.
Zebra Finches Recognize the Calls of Over 40 Fellow Finches
Zebra Finches Recognize the Calls of Over 40 Fellow Finches
Amanda Heidt | Nov 13, 2020
Their ability to distinguish between individuals is strong evidence for fast mapping, a learning tool generally thought to belong only to humans.
Tropical Birds Differ in Their Responses to Drought
Tropical Birds Differ in Their Responses to Drought
Shawna Williams | Nov 1, 2020
Long-lived species decrease their reproduction more than short-lived species in response to lower-than-normal precipitation, and thereby gain a survival advantage, a study finds.
How to Reintroduce a Long-Lost Species
How to Reintroduce a Long-Lost Species
Shawna Williams | Oct 20, 2020
Conservation biologist John Ewen discusses the recent reintroduction of Tasmanian devils to mainland Australia after a 3,000-year absence and issues that need to be considered when bringing long-departed animals back into an area.
The Booming Call of De-extinction
The Booming Call of De-extinction
W. S. Roberts | Oct 19, 2020
Scientists seek to combine genome editing with a technique used in chicken breeding to try to bring back lost birds.
Pandemic Shutdown Altered Bay Area Birdsongs
Pandemic Shutdown Altered Bay Area Birdsongs
Ruth Williams | Sep 24, 2020
As shelter-in-place orders quieted the city of San Francisco, its sparrow population developed softer, sexier songs.
Infographic: Dialing Down the Glitz
Infographic: Dialing Down the Glitz
Rachael Moeller Gorman | Sep 1, 2020
The gene BCO2 enables male and female members of some bird species to display dramatically different color patterns.
The Gene that Makes Female Birds Drab
The Gene that Makes Female Birds Drab
Rachael Moeller Gorman | Sep 1, 2020
In some finch species, the difference between colorful males and muted females comes down to one gene, BCO2, which encodes an enzyme that degrades carotenoids.
Coronavirus Closeup, 1964
Coronavirus Closeup, 1964
Ashley Yeager | Sep 1, 2020
Electron microscopy revealed that a deadly disease of birds was not a form of flu, but a different type of virus entirely.
How the COVID-19 Pandemic Has Affected Field Research
How the COVID-19 Pandemic Has Affected Field Research
Ashley Yeager | Aug 20, 2020
Unable to travel to international or remote sites, some researchers are losing critical data.
Innovative Birds Face a Lower Risk of Extinction
Innovative Birds Face a Lower Risk of Extinction
Michael Graw | Jul 13, 2020
Species that come up with new ways to find food may be more likely to survive in habitats disturbed by agriculture and other human activities.
Image of the Day: Wonderchicken<br>
Image of the Day: Wonderchicken
Amy Schleunes | Mar 20, 2020
A newly discovered fossilized skull is between 66.8 million and 66.7 million years old and bears similarities to modern-day chickens and ducks.
Image of the Day: Ancient Horned Lark
Image of the Day: Ancient Horned Lark
Amy Schleunes | Mar 6, 2020
A complete bird specimen uncovered in northeastern Siberia is radiocarbon dated to be roughly 44,000–49,000 years old.
Image of the Day: Flock in the Night
Image of the Day: Flock in the Night
Amy Schleunes | Feb 19, 2020
The National Weather Service’s radar in Key West captures a spectacular moment in bird migration.