Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live young that develop inside the mother’s body. Others reproduce through less ...

Q. When we studied high school biology, our teacher said more than 99 percent of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...

A curious aspect of tree frogs is that they often lay their eggs on the ground where the risk of predation by natural enemies is greater than in the trees where they live. A research team suggested ...

COLORADO, USA — Two bald eagle couples in Colorado have laid eggs. The two bird pairs — one in Standley Lake Regional Park and another in Fort St. Vrain — laid at least one egg each in February, as ...

Scientists in Queensland found a “cryptic” animal laying eggs in the bark of trees and discovered a new species, a study said. Photo from Matthew Connors In the forests of northeastern Australia, a ...

Q. When we studied high school biology, our teacher said more than 99% of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...

A tree frog: female (larger individual below) laying eggs, which are protected by the 'foam nest' and male (smaller individual above). When it comes to laying eggs, tree frogs have some unusual habits ...