Section 26
Chapter 25,043

Movements and mortality rates of the black duck and grey teal in south- eastern Australia

Frith, H.

Csiro Wildlife Res 8(2): 119-131


Accession: 025042216

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The movement pattern, mortality, and survival of the black duck are analyzed and compared with those of the grey teal. The black duck is more sedentary than the grey teal, although at times extensive movements are undertaken. A regular north-south movement exists in addition to more irregular random dispersal. The mortality rates are shown to be greater and the expectation of further life less for the grey teal than the black duck, the more sedentary species.