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 ...

Most people assume that only reptiles, fish, and birds lay eggs — after all, that’s what we learned in school. But nature always has a few surprises up its sleeve. Believe it or not, there are ...

Snakes, like most reptiles in the world, are oviparous. This means that rather than producing live young ones, the way mammals do, snakes produce an immature single cell — an egg. Most snakes follow ...

Animal mothers exhibit remarkable resilience and ingenuity when raising large litters. Species like the tailless tenrec and ...

Being a mother is a tremendous accomplishment and one of the most challenging jobs in the world. This applies even in the ...

There’s no doubt about it – animal reproduction can get downright bizarre. Nature doesn’t always follow the rules we expect, and sometimes it veers straight into the realm of the absurd. Take, for ...

Learn how frog eggs and fish eggs differ in structure, habitat, development, and survival, and what they reveal about the ...

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 ...