A Western lowland gorilla in a zoo enclosure in Prague, Czech Republic.
People can still learn a great deal about these mammals while keeping a safe distance.
Mountain gorillas in Bwindi Impenetrable Forest.
Shutterstock/Claire E Carter
Surveys are likely to have missed multiple groups and individuals due to differences in survey techniques.
Some male gorillas regularly hold, play and groom infants.
Male gorillas who spend more time with infants are expected to sire about 5 times more babies.
Good zoos should be treated like they treat their animals. That means not beating them over the odd mishap.
Bonobo Jasongo at Leipzig Zoo has a hunch about what you’re thinking.
Realizing that others' minds hold different thoughts, feelings and knowledge than your own was thought to be something only people could do. But evidence is accumulating that apes, too, have 'theory of mind.'
Menageries of the 19th century brought exotic animals (and people) to Western society – as do many zoos today.
The shooting death of Harambe the gorilla has once again raised concern for the well-being of zoo animals. But animals in zoos may be fated by the very institution we have created to protect them.
A makeshift shrine at the Cincinnati Zoo, where Harambe, a male gorilla, was killed by zoo officials.
The death of Harambe the gorilla has sparked outrage and raised questions over the adequacy of zoos, but protecting some animals through legal personhood is flawed and dangerous, says legal scholar.
Cincinnati Zoo / EPA
We can't blame a gorilla for looking after its territory. But we can ask how a child managed to get into the enclosure in the first place.
Gorillas in the wild: better than a zoo.
The fortunes of the world's remaining wild gorillas is linked to prosperity in the places where they live - hence the high price of tourist permits. But with economic development comes economic threats too.
Cross river gorilla: one of the world’s most endangered primates.
Sniffer dogs are great at finding gorillas in thick forest – but it comes at a price.
Ebola has wiped out a third of the world’s gorillas.
There is a side to the Ebola crisis that, perhaps understandably, has received little media attention: the threat it poses to our nearest cousins, the great apes of Africa. At this moment in time Ebola…
Infectious disease has joined poaching and habitat loss as a major threat to the survival of African apes. Although vaccinations…