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AFTER a small GPS tracker was attached to the back of a male “little eagle”, one of the ACT’s rarest birds of prey, the GPS is now revealing surprising information about the bird says Minister for the Environment Mick Gentleman.
For the first time, the threatened eagle has been subject to satellite tracking as part of a joint research project being undertaken by the ACT Government, University of Canberra, CSIRO and Ginninderry Joint Venture.
“After successfully raising a chick in West Belconnen during Spring/early Summer, the one we are tracking has taken off to spend time in the tropical heat near Daly Waters in the Northern Territory – a flight path of 3300 kilometres,” says Mr Gentleman.
“This distance was travelled in under three weeks and included flying 500 kilometres in one day, as well as reaching a maximum speed of 55 kilometres per hour.”
The little eagle is one quarter the size of a wedge-tailed eagle and one of the smallest eagles in the world. Over the last 30 years it is thought to have undergone a population decline, and the species is listed as threatened in both NSW and the ACT.
“The Belconnen little eagle pair successfully raised a chick this year,” Mr Gentleman says.
“During the nesting season, the male is thought to have hunted mainly juvenile rabbits and middle sized birds such as magpies, rosellas and starlings over an area of 65 square kilometres, ranging from the junction of the Molonglo and Murrumbidgee rivers north-east to the CSIRO land along the Barton Highway and north to Wallaroo in NSW.On Thursday, March 9, this year, the male eagle suddenly left Canberra on its journey to the north.
“The little eagle was suspected of migrating between breeding and wintering territories. This study provides the first proof of this and a clear indication of the vast distances involved,” Minister Gentleman says.
The research project will further study the ecology of the little eagle in the coming year through plans to place cameras at nest locations and attaching trackers to additional birds.
The knowledge gained will guide future management and development decisions.