@natgeo
National GeographicThe platypus is one of only two mammals that lay eggs. That's just the start of what makes these unusual creatures so fascinating—and why they once baffled scientists.
On the profile · Jun 7, 2026
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The platypus is one of only two mammals that lay eggs. That's just the start of what makes these unusual creatures so fascinating—and why they once baffled scientists.
On the profile · Jun 7, 2026