Now new research has found that many animals in captivity feel the same - particularly hoofed species with high sex drives like sheep, pigs and buffalo. The same goes for foraging animals that eat ...

But it tends to be a one-way attraction: Birds of prey and hoofed animals are, for the most part, driven away by human presence. During the 1960s and 1970s, western Colorado’s mule deer ...

"Promiscuous" animals such as buffalos and pigs are more likely to become stressed in zoos, a study has found. Five billion large hoofed animals, known as "ungulates", are kept on farms ...

There are about 170 modern ruminant hoofed mammal species with headgear ... a common ancestor as paired bony outgrowths from the animals' "forehead," the area near the frontal bones of the ...