When conditions are just right, one species can turn into hundreds in a short period of time. Welcome to the weird world of adaptive radiation. <b<br/>r/>

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What if you could just drop your kids off at someone else’s place and let them have the responsibility? Well, there are some animals that do just that. They’re called brood parasites, and they lay their eggs in other animals’ nests and...

The lower Congo River is treacherous, turbulent, and very deep. While that might seem like an inhospitable habitat, hundreds of species of fish thrive there, including some that are really bizarre!SciShow is supported by Brilliant.org.

After stalking a cuttlefish, a moray eel finally pounces. As the eel snags the mollusk in its teeth, its prey struggles to escape. But before it can wiggle away, a second set of teeth lunge from the eel's throat. This adaptation is...

Convincing a predator to attack you might seem like a bad idea, but Trinidadian guppies have a whole bag of evolutionary tricks to help them do just that. But why do they do it, and how does it help them survive?

What if you could just drop your kids off at someone else’s place and let them have the responsibility? Well, there are some animals that do just that. They’re called brood parasites, and they lay their eggs in other animals’ nests and...