How do invasive species take over?

Deep in the basement of the San Diego Natural History Museum, there are thousands of jars filled with preserved reptiles and amphibians. In this episode, But Why takes a tour with collections manager Adam Clause to answer your questions about lizards! How do lizards climb walls? ...  Show more

But Why turns ten years old on April 1, 2026! To celebrate this milestone, we’re listening back to our very first episode. We’ve got owls and turtles and bears. Naturalist Mary Holland gets into the details about hibernation–including the questions you may not even have thought t ...  Show more

Invasive species are causing problems for nature around the world, so why not eat them? 

In the Florida Everglades, the Burmese python is an invasive species that's close to triggering an ecological collapse. But not if these python hunters have anything to do with it.

Burmese pythons are huge compared to the native snakes in Florida. They can measure up to ...

The threat to wildlife from invasive species is now one of the greatest across the world and it is growing. Killer shrimp are the latest non-native species to be found in a formerly quiet and respectable area of Cambridgeshire. In the UK we have endlessly debated the problem of t ...  Show more

Invasive species can mean a lot of things, from fungus to feral pigs and European starlings to kudzu vines. Basically, it's anything brought to a place, either by humans or nature, that didn't originate there. They aren't always a problem, but many times they can wreak havoc on t ...  Show more