Colchester Zoo is a zoological garden situated near Colchester, England. The zoo opened in 1963 and celebrated its 50th anniversary on 2 June 2013. It is home to many rare and endangered species, including big cats, primates and birds as well as many invertebrates and fish species. Animal exhibits The animals habitats at Colchester Zoo are presented in a number of different themed zones. Butterfly Glade Opened in Spring 2015, Butterfly Glade is a walk through exhibit which is housed near Bears of the Rising Sun. It is home to many different species of butterflies, plants and flowers. It was opened in memory of Isobel Rose Parmenter who died in October 2014 from Langerhans cell histiocytosis. Australian Rainbows Opened in summer 2014, Australian Rainbows is an exhibit that previously housed the Wild about Animals theatre. Inside the building is a waterfall, a large pond and colourful gardens. Visitors are able to journey through an aviary of rainbow lorikeets, with the opportunity to feed a treat of nectar to these colourful birds. Koi Niwa Within this exhibit there are two large pools housing a variety of koi. There are also two filtration systems visible to visitors. The exhibit is set in the style of a typical Japanese garden with statues, ornaments and waterfalls. Walking Giants Walking Giants opened in the summer of 2012 and is split into two sections. The complex houses three out of four of the world’s biggest tortoise species including Aldabra giant tortoises and African spurred tortoises. Lost Madagascar Opened in Easter 2012, Lost Madagascar is a walk-through enclosure that is home to troops of black-and-white ruffed lemurs, crowned lemurs, red-bellied lemurs and ring-tailed lemurs. The exhibit can only be accessed by taking a ride on the zoo's road train, known as the Lost Madagascar Express. Otter Creek Otter Creek was opened in August 2011 and houses a family of smooth-coated otters who are part of breeding programme around Europe, to help ensure there is a healthy population in captivity. Wilds of Asia Wilds of Asia is a group of enclosures housing various different species from across Asia. Among the species on display in Wilds of Asia are pileated gibbons, red pandas, wreathed hornbill, binturongs, Asian small-clawed otters, Burmese pythons and lion-tailed macaques. Kingdom of the Wild Kingdom of the Wild multi-species complex, which houses several different African species including reticulated giraffes, southern white rhinoceros, common ostriches and