Mammals that can lay eggs

Platypus

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Short-beaked echidna

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Western long-beaked echidna

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Eastern long-beaked echidna

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Sir David's long-beaked echidna

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Mammals that can lay eggs

Platypus

Short-beaked echidna

Western long-beaked echidna

Eastern long-beaked echidna

Sir David's long-beaked echidna

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