537 results
537 results for: Crows
- Astronomy
Why it’s good news that Pluto doesn’t have rings
The New Horizons team searched for rings around Pluto, and found nothing. That suggests the spacecraft’s next destination might be ring-free too.
- Ecosystems
Beavers are engineering a new Alaskan tundra
Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.
- Animals
Hawaiian crows ace tool-user test
The almost-extinct Hawaiian crow joins the small, select flock of birds shown to use sticks tools routinely and well to wiggle bits of food out of crevices.
- Animals
Betty the crow may not have invented her hook-bending tool trick
Textbook example of Betty the crow’s proposed insight into toolmaking is now called into question by observations of similar hook bending by wild New Caledonian birds.
- Animals
Flying insects tell tales of long-distance migrations
Researchers are asking big questions about animal movements and pest control by tracking tiny insects in flight.
- Animals
Animals give clues to the origins of human number crunching
Guppies, dogs, chickens, crows, spiders — lots of animals have number sense without knowing numbers.
- Math
Hidden Figures highlights three black women who were vital to the U.S. space program
"Hidden Figures" tells the untold story of the "human computers" who were essential to the launch of the U.S. space program.
- Health & Medicine
When it comes to antimicrobial resistance, watch out for wildlife
Focusing on antimicrobial resistance in hospitals and farms misses a big and not well understood part of the issue: wildlife.
- Animals
Social pecking order gives roosters something to crow about
Small groups of laboratory roosters keep to the rankings for orderly morning crows.
- Animals
Crows safeguard sticks to speed future food-finding forays
New Caledonian crows safeguard the sticks they use to find food. As the risk of losing the tool increases, the more protective the birds become.
- Animals
Five species that show why ‘bird brain’ is a stupid phrase
Birds can use tools, make art and understand human language. Why do we assume they are stupid?
- Animals
Vultures are vulnerable to extinction
Life history makes vultures more vulnerable to extinction than other birds, a new study finds, but humankind’s poisons are helping them to their end.
