beaver habitat, the freshwater pond, and the Zoo's collection of bald eagles. The Canadian beaver habitat features an artificial beaver dam with cross-sectional windows that grant visitors a chance to view the beavers' nest within. The freshwater pond is adjacent to the viewing windows, thereby creating an aquarium effect that allows visitors to see what a wetland pond looks like beneath the water's surface. The pond contains numerous fish indigenous to the North American wetlands. Rosebrough Tiger Passage Opened June 3, 2016, this exhibit features "four separate, interconnected habitat areas for the [zoo's] Amur tigers to roam", and includes "two overhead elevated pathways". Asian Highlands Asian Highlands opened June 12, 2018. This exhibit features expanded habitats for snow leopards, Amur leopards, Malayan tigers, and red pandas, and also includes Sichuan takins. on April 22, 2018, three snow leopard cubs were born. Primate, Cat & Aquatics Opened originally as the Primate & Cat Building in 1975, the Primate, Cat & Aquatics Building houses one of the largest collections of primate species in North America, including Western lowland gorillas, Müller's gibbons, Allen's swamp monkeys, Golden-bellied mangabeys (one of only twelve zoos currently displaying them), Black howler, White-faced sakis, Bolivian gray titis, Ring-tailed lemurs, Red ruffed lemur, Mongoose lemurs and Crowned lemurs. Also next to the Gorillas is a nocturnal section containing Aye-ayes, Mohol bushbabies, and Pygmy slow lorises. Non primate species in the primate section include Fossas and Northern treeshrews. However, the building does not display the zoo's entire primate collection with some primates featured in the Rainforest and African Savanna. In 1985, the Cleveland Aquarium permanently closed and donated its collection of exotic fishes and invertebrates to the Metroparks Zoo. A section of the Primate & Cat building was renovated to accommodate the new Aquatics section, which currently features 35 salt- and freshwater exhibits include Australian lungfishes, a giant Pacific octopus, electric eels, and hundreds of living coral. The Primate, Cat & Aquatics Building has also featured outdoor exhibits such as the outdoor section of the gorilla and golden bellied mangabey exhibits. The zoo's slowest resident, the Aldabra giant tortoise, can be found in the enclosure directly across from its fastest resident, the cheetah. Several of the tortoises are over one-hundred years old. Waterfowl Lake The marshy shallows of Waterfowl Lake are home to Chilean flamingos, Black swan, Canvasback ducks, and trumpeter swans. During the summer months, Müller's gibbons and lemurs