Discovered: 150-year-old platypus specimen that proved some mammals lay eggs - The Irish News

Collected in the late 1800s by the scientist William Caldwell, the tiny samples were found in the stores of Cambridge's University Museum of Zoology.

Jars of 150-year-old platypus and echidna specimens that prove some mammals lay eggs have been discovered at an English museum. Collected in the late 1800s by the scientist William Caldwell, the tin… [+2400 chars]

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