Orangutan at Germany's Allwetter Zoo cleans the windows

Mandi the orangutan is getting her spring cleaning on nice and early at Germany
Mandi the orangutan is getting her spring cleaning on nice and early at Germany's Allwetter Zoo. Adorable video shows the ape cleaning her glass enclosure like a pro.

Orientation toward humans predicts cognitive performance in orang-utans. - Abstract - Europe PMC

This Sanctuary Captures An Incredible Moment 34-Year-Old Orangutan Learns To Wash Her Hands

German zoo's last orangutan leaves for New Orleans – DW – 09/13/2018

Zoo and Aquarium Design: 2011

World Association of Zoos and Aquariums (WAZA) on LinkedIn: #extinction #conservation #conservationoptimism #zoos #aquariums

Columbus Zoo opens new indoor orangutan viewing habitat

History Blackpool Zoo

Zoo caretaker hi-res stock photography and images - Page 2 - Alamy

Aaron Gekoski - Award Winning Environmental Photojournalist

Capuchin Monkey Enjoys Cleaning Windows - video Dailymotion

Zoo and Aquarium Design: 2011

Blog — wild-design

Orangutan shot dead after escaping unlocked enclosure at German zoo

Baby orangutan a rising star at the Cleveland Metroparks Zoo (slideshow)

Orangutan Cleans Enclosure Glass