Estimating the age of kangaroos using eye lens weight

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Contents Vol 33(1)

doi:10.1071/WR04077

Estimating the age of kangaroos using eye lens weight

S. R. McLeod ^A ^D, J. P. Druhan ^A ^B, R. B. Hacker ^C

^A Vertebrate Pest Research Unit, NSW Department of Primary Industries,
Orange Agricultural Institute, Forest Road, Orange, NSW 2800, Australia.
^B Present address: NSW NPWS, PO Box 656, Merimbula, NSW 2548, Australia.
^C Trangie Agricultural Research Centre, NSW Department of Primary Industries,
PMB 19, Trangie, NSW 2823, Australia.
^D Corresponding author. Email: steven.mcleod@dpi.nsw.gov.au





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Wildlife Research 33(1) 25–28 http://dx.doi.org/10.1071/WR04077
Submitted: 8 September 2004 Accepted: 29 November 2005 Published online: 7 March 2006

Abstract

A method for estimating the age of red kangaroos (Macropus rufus), eastern grey kangaroos (M. giganteus) and western grey kangaroos (M. fuliginosus) is described. The method uses the dried weight of the eye lens to estimate age. The method is suitable for estimating the age of kangaroos of all ages.