Almost half of the world's primate species – which include apes, monkeys and lemurs - are threatened with extinction due to the destruction of tropical forests and illegal hunting and trade.
In a report highlighting the 25 most endangered primate species, conservationists have outlined the desperate plight of primates from Madagascar, Africa, Asia and Central and South America, with some populations down to just a few dozen in number.
Almost half of all primates face 'imminent extinction'
