Rare Carnaby's cockatoo lays two eggs and usually both eggs hatch, but the s…

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cockatoo lays two eggs and usually both eggs hatch, but the s...">

Rare Carnaby's cockatoo lays two eggs and usually both eggs hatch, but the second nestling, which is always smaller, normally dies within 48 hours, unless some misfortune befalls its older sibling.

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