Macropod Studies at Wallaby Creek .8. Individual Recognition of Kangaroos and Wallabies
In: Wildlife Research, Band 16, Heft 2, S. 179
Recognition of individual large mammals by natural features is an ancient practice, the usefulness
of which has recently become appreciated in field studies. We show that such recognition is possible
and repeatable, under particular circumstances, with macropodid marsupials in the field in Australia.
In trials, there was a 98% agreement between observers in identification of individuals of both eastern
grey kangaroos Macropus giganteus and red-necked wallabies M. rufogriseus. Characters used to
identify individuals were first definitive ('oddity') characters, and then specific sets of character-states.
However, in time observers came to recognise individuals 'on sight', by unconscious summation of
character-states. Recognition skills could be readily learned by observers, allowing almost complete
populations of these species to be known and the component members studied individually. The
technique should be applicable in studies of other macropodid populations.