There are many native birds which inhabit the Reserve. Some likely to be encountered on a gentle stroll through bush paths and gardens are Tuis, Kereru [wood pigeon], Grey Warbler, Morepork, Fantails, Bellbirds, Wax Eys and the kingfisher.
Other birds seen are blackbird, blue heron, chaffinch, goldfinch, harrier hawk, magpie, starling, swallows, sparrow, thrush, starling, yellowhammer.
There are other animals not so welcome at the reserve. These include rabbits, opossums, stoats, wild cats and rats. These animals endanger the bush as well as birdlife. A programme to rid the reserve of opossums and other pests commenced in early 2003. Dogs are not allowed on the reserve.
Native trees found in the bush gully are Totara, titoki, mahoe, kanuka, Pukatea, tawa, matai, rimu and a few giant kahikatea [one of these located near the middle of the bush gully is estimated to be up to 1000 years old].
Ormond Wilson also introduced numerous exotics to the reserve such as Magnolia's, Dawn Redwood, Dove Trees.