Three groups of great apes were studied. The first was a pair of orang-utans (Pongo pygmaeus pygmaeus): a mature male and an adult female; the second a group of four gorillas (Gorilla gorilla gorilla) ...
Classified as critically endangered and believed to have a rapidly declining population and habitat area, pygmy three-toed sloths (Bradypus pygmaeus) are native exclusively to the island of Escudo de ...