The sex of many turtles, crocodilians, and other reptiles is determined by the temperature at which their eggs incubate.

The Lesser Antillean iguana is a critically endangered species that has disappeared from much of its range across the Eastern ...

The great eared nightjar gets called a “dragon bird” because once you see it, nothing else feels like the right […] ...

How do intermittent events like hurricanes impact natural selection? How do animals adapt to challenging weather? A ...

Invasive Nile monitors in Georgia have been labeled the largest and most dangerous lizards in the U.S. Where are they? How ...

When Bald Eagles pair up, they take the plunge—literally—locking talons high in the air and tumbling toward the ground, ...

Archeologists say they have finally cracked the 6,000-year-old mystery of Armenia’s “dragon stones" – massive carved ...

Mega monsters, the gigantic beasts capable of crushing cities, have been a defining force in movies. Here are the most ...

Male bonobos are able to decipher confusing fertility signals from females, say scientists. Most female mammals are only ...