Green anaconda females are vicious mates, often cannibalizing males after mating. Read here to learn why they do this!

Spiders are one of the easiest groups of invertebrates to watch and they're fascinating creatures. Here are some of our ...

My friend and I had just stepped out of May’s Drive-In late one October morning when she pointed to a large black bird on the ...

Finding a partner and sticking with them for life isn’t all that common in the animal world, but a few species really commit.

One of the fundamental rules of inheritance states that different alleles (gene copies) of a trait, such as sex, are ...

There’s perhaps no more fascinating Bay Area day trip than hanging with the bellowing animals of Año Nuevo State Park.

This video dives into the world of animals with the most unusual and astonishing breeding habits on Earth. Scientists reveal ...

All hummingbirds fight. Most species fight for food, using their tiny bodies and sharp bills to force competitors away from ...

Bilbies are Australia’s adorable, bunny-like critters. Unfortunately, these tiny mammals are endangered. However, one Aussie ...