David Attenborough's Natural Curiosities - Season 4 Episode 1 Animal Frankensteins
7.30 48 minutes Hybrids can be bizarre and they can be deadly. We look at two hybrid animals that owe their existence to human interference – the pizzly bear (a cross between a polar bear and grizzly), which has come into being because of global warming, and the killer bee brought into existence because of the transfer of African bees to South America.
