Animals
- Animals
Bird hormone cuts noise distractions
A jolt of springtime hormones makes a female sparrow's brain more responsive to song.
- Animals
Grammar’s for the Birds: Human-only language rule? Tell starlings
A grammatical pattern called recursion, once proposed as unique to human language, turns out to fall within the learning abilities of starlings.
- Animals
Worm can crawl out of predators
A parasitic worm can wriggle out through a predator's gills or mouth if the predator eats the worm's insect host. With video.
- Animals
Into Hot Water: Lab test shows that worms seek heat
Worms from deep-sea vents prefer water at temperatures near the upper limit of what animals are known to survive.
- Animals
Foodfree growth
Rattlesnakes undergo a hibernation-like state to survive long periods of famine, while continuing to grow longer.
- Animals
Hummingbirds can clock flower refills
Hummingbirds can keep track of when a particular flower has replenished its nectar and is worth visiting again.
- Animals
Sharpshooter threatens Tahiti by inedibility
A North American insect is menacing Tahitian ecosystems by getting itself killed and proving surprisingly toxic to its predators.
- Animals
Wary male spiders woo lifelessly
When trying to court a cannibalistic female spider, males of a certain species play dead.
- Animals
Hairy crab lounges deep in the Pacific
A newly discovered deep-sea creature has the body of a crab, but with long, fluffy, blonde hair covering its legs.
- Animals
That’s One Weird Tooth
The narwhal's distinctive spiral tusk has structures that could make it phenomenally sensitive, raising new questions about its functions.
- Animals
Woodpecker video is challenged and defended
The video released last spring as evidence that the ivory-billed woodpecker exists may show a common pileated woodpecker, some critics say.
- Animals
Can You Hear Me Now? Frogs in roaring streams use ultrasonic calls
A small frog living beside Chinese hot springs may be the first amphibian known to use ultrasound in its calls.
