Australia's army has started shooting 6,000 kangaroos to thin their population on an army training ground near the capital, an official said on Friday, outraging conservationists who have vowed to protest.
The killings are intended to protect endangered plants and insects that share the grassy habitat with the kangaroos.
A much smaller slaughter of 400 kangaroos on another Defence Department site in Canberra last year was disrupted by protesters.
Civilian marksmen contracted by the department began shooting the kangaroos on Tuesday night at Defence's Majura Training Area, where an estimated 9,000 of the wild marsupials roam, Army Brig Brian Dawson told reporters.
"The culling is intended to reduce the kangaroo population to sustainable levels," Dawson said, describing the action as that of a "responsible landowner".
The nighttime shooting is expected to continue intermittently until August. The training ground covers more than 7,400 acres (3,000 hectares) and includes grenade and artillery firing ranges.
Bernard Brennan, president of Canberra's Animal Liberation conservation group, said protesters planned to descend on the area starting tonight and many more would flock from around Australia next week. He could not predict how many.
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