It might not be worth trying to save the kakapo, the critically endangered native bird that has been on the brink of extinction for decades, an Australian scientist says.
Instead, resources should go into saving species that have more chance of recovering and surviving in the evolving environment.
“It’s a wonderfully weird creature and it’s a shame that we will probably lose it regardless of any interventions. Harsh, but somebody’s got to say it,” said Cory Bradshaw, of the University of Adelaide’s director of ecological modelling.
Using a mathematical formula, Professor Bradshaw and colleagues from Adelaide and James Cook University, in northern Queensland, created a new index called Safe (Species’ Ability to Forestall Extinction), which ranks the probability of animals becoming extinct based on population.
The index goes a step further than the Red List of Threatened Species, produced by the International Union for Conservation of Nature, which ranks animals and plants in categories from safe to critically endangered.
“It really comes down to accounting, are we deliberately or inadvertently losing hundreds if not thousands of species by putting money into species that are a lost cause? That doesn’t mean we go out and knock every one on its head though,” Professor Bradshaw said.
Other endangered animals that could be left to die off because of unsustainable population levels, according to the index, include Australian’s hairy-nosed wombat and the Javan rhinoceros.
The Conservation Department said it would look at the merits of the index but said it would continue to support the Kakapo Recovery Programme.
“DOC is very proud of the work that’s been done to save the kakapo and we’ve no intention of letting them go,” spokesman Chris Pitt said.
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