Around 40 native bird species have been identified within in the park. Among them are several threatened species such as the blue duck (Hymenolaimus malacorhynchos) attracted to low freshwater rivers, the rock wren (Xenicus gilviventris) and the Haast form of the South Island brown kiwi (Apteryx australis australis). Others include the rifleman (Acanthisitta chloris), yellowhead (Mohoua ochrocephala) as well as the yellow-crowned parakeet (Cyanoramphus auriceps).
Common bird species are the South Island robin, tomtit, tui, bellbird, kereru, fantail, kea (Nestor notabilis) and moreporks (Ninox novaseelandiae novaseelandiae).
The red beech gives a home to the long-tailed bat (Chalinolobus tuberculatus), the only native mammal found in the park.
Introduced animals are rats, tahrs, chamois, deer, possums as well as brown and rainbow trouts.