0 The Zoological Society of London Beyond captive breeding: the Western swamp tortoise Pseudemydura umbrina recovery programme G. KUCHLING', J. P. DEJOSE2, A. A. BURBIDGE3 & S . D. BRADSHAW' Department of Zoology, The University of Western Australia, Nedland, W A 6009, Perth Zoological Gardens, 20 Labouchere Road, South Perth, WA 6151 and 3Department of Conservation and Land Management, Western Australian Wildlife Research Centre, PO Box 51, Wanneroo, WA 6065, Australia The Western swamp tortoise Pseudemydura umbrina, a small (15.5 cm maximum carapace length, 5 5 0 g body mass) freshwater tortoise of the Perth region of Western Australia, is the sole representative of the subfamily Pseudemydurinae, a sister group to all other living Chelidae (Gaffney, 1977; Gaffney & Meylan, 1988). Pseudemydura umbrina is the world's most endangered chelonian species. By 1987 the total population was less than 50 individuals with 2&30 animals remaining in the wild in one single population in a small nature reserve and 17 animals, of which only three were adult @, in captivity. The past history of captive breeding was poor and between 1980 and 1987 egg production in captivity had ceased. A three-year crash project was begun in 1988 with the main
International Zoo Yearbook – Wiley
Published: Jan 1, 1992
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