Adult males measure 15.7 to 24.8 inches long from the tip of their bill to the tip of their tail and weigh 1.7 to 6.6 pounds. Females are smaller than males, measuring 14.5 to 21.6 inches in length ...

The platypus is one of the most mysterious members of the animal world. Even in the 21st century, there is still so much we don’t know about them. This “odd duck” was once so mysterious that it was ...