- Black rhinoceros: Black rhinos require a large amount of space, with a minimum enclosure size of 1 acre per animal. They prefer to have a variety of habitats, including open grasslands, woodlands, and areas with thick vegetation.
- White rhinoceros: White rhinos also need a large amount of space, with a minimum enclosure size of 1.5 acres per animal. They prefer open grasslands and savannas, but they can also adapt to other habitats.
- Sumatran rhinoceros: Sumatran rhinos are the smallest species of rhino, and they require a minimum enclosure size of 0.5 acres per animal. They prefer dense forests and swampy areas.
- Greater one-horned rhinoceros: Greater one-horned rhinos require a minimum enclosure size of 1 acre per animal. They prefer tall grasslands, forests, and riverine areas.
In addition to the minimum enclosure size, rhinos also need access to a variety of other resources, such as food, water, shelter, and enrichment opportunities. Zoos that house rhinos must be able to provide these resources in order to ensure the animals' well-being.