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Critically Endangered Species

The following critically endangered species are currently part of the Milwaukee County Zoo's collection:

  • Platytaenidous Degeni (Lake Victoria cichlid)
  • Grand Cayman Iguana
  • Chinese Alligator
  • Waldrapp Ibis
  • Bali Mynah
  • Red Ruff Lemur
  • Amur Tiger
  • Southern Black Rhinoceros

The following critically endangered species are owned by the Milwaukee County Zoo, however they are currently out on loan to other AZA-accredited institutions:

  • Aruba Island rattlesnakes
  • Guam rail  
  • Sumatran orangutan