456 results
456 results for: Dolphins
- Animals
Dolphins and humans team up to catch fish in Brazil
In Brazil, where humans and dolphins fish in tandem, cooperation both within and between species is essential for the longstanding tradition.
- Animals
Killer whales may use kelp brushes to slough off rough skin
The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.
- Paleontology
How an ancient marine predator snuck up on its prey
Serrations at the edges of a fossilized flipper of the ancient marine reptile Temnodontosaurussuggests it may have been able to swim silently.
- Animals
Dolphins’ open-mouth behaviors during play are like smiles, a study claims
Experts urge caution in calling bottlenosed dolphins’ gesture a humanlike “smile,” but agree it seems to be important for how the animals communicate.
- Animals
Wild baboons don’t recognize themselves in a mirror
In a lab test, chimps and orangutans can recognize their own reflection. But in the wild, baboons seemingly can’t do the same.
- Health & Medicine
Bird flu in cows shows no signs of adapting to humans — yet
Easy replication in cattle mammary glands means H5N1 bird flu is under no evolutionary pressure to adapt to spread easily in humans.
- Animals
Cricket frogs belly flop their way across water
Cricket frogs were once thought to hop on the water’s surface. They actually leap in and out of the water in a form of locomotion called porpoising.
- Animals
Is that shark ticking? In a first, a shark is recorded making noise
The ocean can be a symphony of fish grunts, hums and growls. Now add tooth-clacking sharks to the score.
- Health & Medicine
Bird flu has been invading the brains of mammals. Here’s why
Although H5N1 and its relatives can cause mild disease in some animals, these viruses are more likely to infect brain tissue than other types of flu.
- Animals
Stray DNA is all around us. It could revolutionize conservation
Environmental DNA harvested from the ocean, land and air can help scientists monitor wildlife. The challenge is figuring out how to interpret this eDNA.
- Animals
Fish beware: Bottlenosed dolphins may be able to pick up your heartbeat
Fish, sharks and platypuses are adept at sensing electrical signals living things give off. Bottlenosed dolphins make that list too, studies suggests.
- Animals
Compare shark sizes on our infographic
As Jaws celebrates its 50th anniversary, Science News explores the vast range of shark sizes, from megaladon to the dwarf lanternshark.
