First, bingeing and starving is how many animals tend to feed in the wild.

ECONOMIST: Longevity

The annual stock take of an aquarium in Cornwall is under way to find out how many animals it has.

BBC: Newquay's Blue Reef Aquarium stock take is under way

Desousa said the county has been so busy with the work, they don't have figures on how many animals they've saved and evacuated.

CNN: Rescuers race flames to save pets, livestock

It would be interesting to see, observed Dr Smulders, just how many other animals displayed this trait - in particular, in primates.

BBC: Science puts wrinkled fingers to the test

The question is how many other animals might use similar night-time navigation.

BBC: Dung beetles guided by Milky Way

"But if you look at how many species of animals are in the area, I think it would be less, " Hajduch said.

CNN: Chernobyl: Environmental dead zone or eco-haven?

Very little is known about wild yak biology, such as how often the animals breed and how many young yaks survive to adulthood.

MSN: Wild yaks are back �� at least in the Tibetan Plateau

Since 2008, there have been 89 illegal animal violations but the violations database doesn't differentiate animals by type so there's no way to know how many of those violations were for pigs.

WSJ: Pigs May Fly Before Finding a Legal Home in the City