Keeping an eye on the tree tops could help a new conservation project in the Northern Tablelands.
Researchers are looking into the koala population in the area, who say the species are in decline.
Ecologists are spending the next few months surveying land between Armidale and Inverell, in a bid to determine population numbers.
Initial studies show only three concentrated groups of the marsupial in the region.
Any residents who spot a koala should report the sighting to Southern New England Landcare.