A BBC film crew have been filming some of the world's most endangered animals for a BBC programme called Nature's Miracle Babies.
The programme shows how some baby animals are being taken care of by scientists to help endangered species survive. This baby gorilla is from London Zoo.
This endangered Coquerel's sifaka infant is being raised by experts at the Duke Lemur Centre in North Carolina, America.
A BBC film crew have been filming some of the world's most endangered animals for a programme called Nature's Miracle Babies. This barbary lion cub is part of a breeding programme at Belfast Zoo.
Scientists are having to care for Madagascar's unusual aye ayes. Mothers need to care for their babies for the whole of their first year of life. So they can only care for young every two to three years.
The future of the Tasmanian devil has been threatened for the past 20 years. It's all because a facial tumour disease has devastated populations in Tasmania, Australia.
Scientists in Chengdu, in China have been working hard to help panda mothers produce and raise their cubs. These pandas who live in captivity are helping to boost the population.
In Africa, the David Sheldrick Wildlife Trust are raising vulnerable young elephants orphaned by poachers and returning them to the wild.
Indian rhinoceroses, like these at ZSL Whipsnade Zoo, are being helped by breeding programmes. After a pregnancy lasting up to 16 months, rhinos give birth to young that can weigh as much as 90kg - as big as an adult human male.