The climate inside the domes is controlled by computers because the length of daylight hours varies much more in Denmark than in tropical latitudes.

[3] In total there are approximately 275 animal species in Randers Tropical Zoo; about 200 in the domes and 75 in the saltwater aquarium.

[1] The South American dome is 2,000 m2 (22,000 sq ft) and is home to species such as South American tapir, West Indian manatee, callitrichid monkeys and macaws;[4] the African dome is 500 m2 (5,400 sq ft) and is home to species such as lemurs;[5] and the Asian dome is 700 m2 (7,500 sq ft) and is home of species such as pileated gibbon and Komodo dragon.

[6] In addition, there are many reptiles, a snakeyard with free harmless snakes, and a saltwater aquarium with tropical fish.

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