Cuckoo finches are bad news to other birds. They are brood parasites, meaning they lay eggs in other species’s nests to trick their victims into raising the finches’ children as their own. This kicked ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The label “parasite” might bring to mind images of hookworms ...

Easter eggs are wonderfully colorful and sometimes full of chocolate. While it remains an absolute mystery of nature how and why a rabbit lays and delivers these piebald, tasty eggs to children on ...