A single nest containing at least 47 fossilized crocodyliform eggs, dating back roughly 86 million years, has been described by researchers as the largest known Mesozoic crocodyliform egg clutch yet ...

Nobody has ever known where tiger sharks go to mate. But new data suggests there’s one Hawaiian spot that draws a big ...

Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted ...

Mammals are not especially diverse. Roughly 6,800 mammal species are known to exist, compared with about 8,800 species of amphibian, 11,000 species of bird and 12,500 of reptile. Yet when most people ...

A plantation worker photographed this new genus of mammal in New Guinea, thought to have been dead for 6,000 years.

Invasive species are all over America, and it’s very likely you may have seen them in your own backyard. Some species are so ...

A recent study conducted in the United States has found that rising temperatures are directly altering the sound and quality of frogs’ mating calls—essentially reshaping their courtship songs. The ...

As of 2026, more than 8,500 invasive species are established in the U.S., including plants, insects, reptiles, amphibians, ...

Do snakes lay eggs? Yes! But, it may surprise or fascinate you to learn that many species of snakes give live birth.

Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted to accurately gauge the age of these reptiles? Is this also an accurate ...