A group of 4 male mangabeys from Barcelona Zoo were added to the Gorilla Rainforest enclosure last year . The largest scaled a very large oak tree on the island and stopped near the top and called for some time before coming down again .
A group of 4 male mangabeys from Barcelona Zoo were added to the Gorilla Rainforest enclosure last year . The largest scaled a very large oak tree on the island and stopped near the top and called for some time before coming down again .
