Animals
- Animals
Why are bird eggs in cold climates darker colored?
A global survey of bird egg color has revealed a simple trend: the colder the climate, the darker the egg.
- Animals
Piranhas and plant-eating kin replace half their teeth at once
Piranhas and pacus shed and replace half of their teeth at a time. New teeth lock together as they push up from the jaw.
- Animals
Blood vessels in their heads kept big dinos from overheating
Giant dinosaurs evolved several ways to cool their blood and avoid heatstroke.
- Animals
Fossils show mammals’ rise to dominance after the dino-killing asteroid
What happened to mammals after an asteroid wiped out the dinosaurs? Newfound fossils show how they grew in size, eventually dominating much of life on Earth.
- Animals
Weird little fish inspires the development of super-grippers
Suction-cup designers were inspired by the rock-grabbing tricks of the aptly named clingfish.
- Animals
Humpback whales catch fish using bubbles and flippers
Scientist for the first time have captured details of humpback whales’ hunting tactics on camera.
- Animals
Congolese toads may avoid predators by copycatting deadly vipers
If Congolese giant toads are mimicking venomous Gaboon vipers, this would be the first reported case of a frog imitating a snake.
- Animals
Scientists Say: Species
This word describes organisms grouped by their similarities in genetics and physical traits. But defining species can be tricky.
- Animals
Newly discovered eel sets a jolting record for animal voltage
Scientists have found two new electric eel species. One now holds the animal kingdom’s record for highest delivered voltage.
- Animals
The moon has power over animals
The moon is known for its tidal effects. But its light also can exert a powerful influence on animals large and small.
- Animals
Standing out helps barn owls on the hunt
White barn owls are more successful hunters than red ones — at least when the moon is full.
- Animals
What we can — and can’t — learn from our pets’ DNA
Your dog or cat’s DNA is an open book. DNA tests tell people about their pet’s breed and attempt to predict things about its behavior and health.
