Margaret Thorsborne

Margaret Grace Thorsborne AO (born 1927) is an Australian naturalist, conservationist and environmental activist. She is notable for her efforts, with her husband Arthur Thorsborne, in initiating the long-term monitoring and protection of the Torresian imperial-pigeon on the Brook Islands, north east of Hinchinbrook Island, Far North Queensland. More recently she has been involved in the struggle to protect Queensland’s Wet Tropics World Heritage Area and animals such as the southern cassowary, mahogany glider and dugong.

Early life

Margaret Kemp-Pennefather was born in 1927, the daughter of Lionel Hugh Kemp-Pennefather and his wife Constance (née Keys).[1]

Margaret married Arthur Thorsborne in 1963. Then living on Queensland’s Gold Coast, they were foundation members and office bearers of the Gold Coast branch of the Wildlife Preservation Society of Queensland.

Hinchinbrook

They began visiting Hinchinbrook Island in 1964. In 1972 they settled at Meunga Creek, near Cardwell, on a property (“Galmara”) consisting mainly of coastal wetlands and rainforest facing Hinchinbrook Island across the Hinchinbrook Channel. The property was given in 1980 to the Queensland National Parks and Wildlife Service to extend the Edmund Kennedy National Park. Arthur died in 1991. The Thorsbornes are commemorated in the Thorsborne Trail, a popular 32 km walking track on Hinchinbrook Island.

Pigeon protection

Starting in 1965, an early conservation initiative by the Thorsbornes was a long-term and ongoing monitoring program for Torresian imperial-pigeons on the Brook Islands near Hinchinbrook, the southernmost breeding area of the species, to which the pigeons arrive in August every year, departing northwards in March after the breeding season. Though breeding mainly on the islands, the pigeons fly daily to the nearby mainland, as well as to Hinchinbrook Island, to feed on rainforest fruits, including figs and nutmegs. Although the pigeons have been officially protected by law since 1877, birds were still regularly, intensively and illegally shot as they returned in the evening to feed their chicks on the island nesting colonies, and the number of breeding birds had dropped to 3,000 by the time the Thorsbornes intervened. The monitoring program required a regular presence on the island and acted not only to quantify population changes but also to protect the colony. Since then, the illegal shooting has declined and pigeon numbers have increased to over 40,000.

Honours

  • 1998 – WPSA Serventy Conservation Medal
  • 2001 – Centenary Medal for distinguished service to conservation and the environment.[2]
  • 2006 – Queensland Natural History Award
  • 2011 – Officer of the Order of Australia for distinguished service to conservation and the environment through advocacy roles for the protection and preservation of wildlife and significant natural heritage sites in Australia, as a supporter of scientific research, and to the Wildlife Preservation Society of Queensland.[3]

References

  1. ↑ State Library of Queensland. "Margaret Thorsborne". Q ANZAC 100 digital story. Vimeo. Retrieved 2 April 2014.
  2. ↑ "Margaret Thorsborne Centenary Medal". Australian Honours Database. Retrieved 27 January 2011.
  3. ↑ "Margaret Thorsborne AO". Australian Honours Database. Retrieved 27 January 2011.
  • Citation, Queensland Natural History Award for 2006: Margaret Thorsborne accessed 28 August 2007
  • Thorsborne, A.S.; & Thorsborne, M.G. (1988). Population changes of the Torresian Imperial-Pigeon Ducula spilorroa over twenty-one years on North Brook Island, north Queensland. Emu 88: 1-8.
  • Thorsborne, Arthur; & Thorsborne, Margaret. (1987). Hinchinbrook Island. The land time forgot. Weldons P/L: Sydney. ISBN 0-949708-32-1
  • Wet Tropics World Heritage Area Magazine 2007-2008 downloaded 28 August 2007
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