Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate. Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy ...

We discuss the 10 most venomous animals on Earth. Read all about them, from the rockfish to the most venomous of all, the Inland Taipan Snake.

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Marvel Comics readers are likely familiar with Spider-Man character Paul, and if they know who he is, they almost certainly ...

This was a real order of monkey business. A Connecticut zoo asked for help with naming its baby spider monkey -- and revealed the winning moniker on Facebook yesterday.

We expect butterflies to be both beautiful and symmetrical; however, some are not. Gynandromorphism is estimated to occur in ...

It’s a cold, foggy February morning, and Bev LaBelle is on the hunt for hummingbirds. Walking along a trail in Southeast Portland’s Oaks Bottom Wildlife Refuge, she pauses as a flicker of movement ...

Discover the spider puts its mate in a trance. Mating may be one of the riskiest things a male spider ever does. Females are ...