A pest or a prince — is it all down to postcodes?

The conservation–invasion paradox is when a species is endangered where it evolved but causes havoc where humans introduced it. So why can't we just bring unwanted animals to where they're wanted?

Introduced to New Zealand by European settlers in the 19th century to remind themselves of home, hedgehogs found themselves in a paradise free of natural predators and bursting with ground-nesting birds, wētā (insects), lizards and invertebrates. They adapted well... too well

If ecology had its own comedy genre, it would surely be irony.

Let’s take the European rabbit. In Australia, they’re the four-legged embodiment of pestilence; they are crop destroyers, soil gougers, and the reason government departments own entire warehouses of poison. They’ve been fenced out, fenced in, virus-bombed, shot and demonised in folklore.