If you want to shop for pastel eggs, you probably won't have much luck at supermarkets. This is why you really only see white ...

Variability in traits and increased individuality in behaviors is something that can evolve in response to selection, ...

Snakes, like most reptiles in the world, are oviparous. This means that rather than producing live young ones, the way mammals do, snakes produce an immature single cell — an egg. Most snakes follow ...

Some birds use brood parasitism. They lay eggs in other species' nests. Indigobirds trick finches. Common Cuckoos mimic predators. Honeyguides kill host young. Brown-headed Cowbirds outcompete chicks.

You walk into a courtroom and find a pig on trial, or see a swarm of insects accused of destroying crops. As bizarre as it sounds, this actually h ...

Brood parasites like the cuckoo lay eggs in other species' nests to avoid parenting duties. Birds like the Asian Koel have evolved eggs that perfectly mimic their host's eggs. Cuckoo and honeyguide ...

More than 20 species make a nearly identical noise to warn nearby birds of brood parasites, a behavior that bridges the ...

In an incredibly arid region of South America, a frog is able to live out of water, thanks to a self-secreting sunscreen.

Ghost, a giant Pacific octopus at the Aquarium of the Pacific, is reaching the end of her life cycle. Known for her intelligence and charm, she now spends her last days devotedly guarding unfertilised ...

Read on for some chilling curiosities from the creatures of the Smithsonian’s National Zoo and Conservation Biology Institute ...

Their romance began with a shared fondness for counting bugs. Their story offers potential hope for the role that social media and AI could play in our lives.

Most screwworm migration does not come from adult flies making heroic flights northward. Instead, it comes from the movement ...