It's a great time of year to meet with the giant Amazonian leech. Its kind is just emerging from the bottom muck, where they dug themselves in to wait out the three-month dry season. They'll be ...

A giant red leech hunts down a 70cm long blue worm and sucks it down like spaghetti. The biggest of these, the giant red leech had been reported preying on the giant blue earthworm itself.