Wild Animals

Whether they crawl, fly, swim, slither, walk, run or pounce, wild animals rely on their instincts. Read about all kinds of wild animals, mammals, birds, fish, insects, reptiles and amphibians.


Spontaneous sex reversal in chickens is pretty rare, but it does happen. Find out how Miss Lucille became Mr. Lucille.

Think your bed is cleaner than a chimp's? Researchers at North Carolina State University set out to find the answer.

Koala populations in Australia are in decline, in part due to the ravages of chlamydia, a sexually transmitted bacterial infection.

Oak processionary moth caterpillars can trigger allergic reactions causing everything from eye irritation to anaphylactic shock.

By incorporating algae into their bodies, these beautiful sea slugs become one of the few animals with the photosynthetic ability of a plant.

Snails can't pick and choose their shells like hermit crabs can. In fact, eviction means death. So how do those hard shells form over snails?

So-called "exploding ants" protect their colony and its territory by rupturing their bodies and sending out a sticky stream of poisonous gel.

Scientists have identified a substance responsible for breaking down pesticides in bees, which will help them come up with a bee-friendlier bug spray.

The pelican spider would just as soon eat another spider as look at one.

It pays to be brainy when you're a ring-tailed lemur.

Male brown widow spiders stubbornly court the oldest females they can find, though younger females are more fertile and far less dangerous.

Most of the scientific attention to birdsong has been paid to the male of the species. But many female birds sing too — and scientists are starting to understand how important it is to study them as well.

The platypus may look a bit absurd and bizarre, but its milk might hold the secret to fighting antibiotic-resistant bacteria.

Nutria are jumbo-sized rodents that reproduce and eat at a jumbo-sized pace.

A species of termite-hunting sub-Saharan ants tend to their wounded.

Cuttlefish can avoid detection by holding a disguise for long periods of time.

Urban coyotes have a fierce and formidable reputation as midnight predators, but coexistence with humans is possible.

Naked mole rats are famous for their longevity, but they also don't age like the rest of us do.

To boil or not to boil ... that is the question.

Does your parakeet understand the cardinal chirping outside its window? Can a pigeon's noises mean anything to a crow? Yes, it can.

The Gulf corvina is the loudest fish on the planet, helping lead to its overfishing and endangerment.

Certain urban-dwelling bird species use cigarette butts in building their nests.

Insects are crucial to the functioning of every ecosystem on the planet. Now they're disappearing, and nobody's sure why.

Some people mistakenly believe that if chimps are socialized from an early age, they're not a threat to humans. But these five families found out the hard way that chimps will always be chimps.

Crocodiles are known to eat just about anything. But sharks? A scientific team found evidence that they've chowed down on those predators too.