An investigation into the rapidly declining populations of critically endangered Carnaby's cockatoos has uncovered how development has affected the native bird's survival.

<p>An investigation into the rapidly declining populations of critically endangered Carnaby's cockatoos has uncovered how development has affected the native bird's survival.</p>

Perth Today will keep you up to date with all the latest breaking stories and issues in Perth.

<p>Perth Today will keep you up to date with all the latest breaking stories and issues in Perth.</p>

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