Some animals have sharp teeth, some have fragile wings, some are predators, some chew on grass, but they all need to survive. Even if harder to believe, some carnivores can be extinct pretty fast, if they don’t find an “intelligent” method of hunting.
Great white sharks may be more endangered than tigers, with only a few thousand left in the world's oceans, according to a leading marine biologist. The grim assessment suggests that fishing and collisions with shipping vessels have taken a devastating toll on the ancient predators.
In British gardens they are welcome visitors, stopping off to sing and snack on the caterpillars. But in a remote cave in Hungary they are exhibiting some unusual behaviour. There, great tits have turned into predators who search out and eat roosting bats.