A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.

The world's oldest living wild platypus (not pictured) is nearly 24 years old. Manuel Romaris via Getty Images. When Geoff Williams found and tagged a one-year-old male platypus as part of a ...

However, the specialized cells on the platypus’s bill allow it to pick up electric pulses. This sixth sense in the platypus is called electrolocation and it’s a highly effective method of hunting.

Platypus and chicken reveal how chromosomes balance between the sexes Date: July 31, 2024 Source: University of New South Wales Summary: Geneticists uncover new insights into how sex chromosome ...