When it comes to poisonous animals, birds probably aren't the first to come to mind. But there are actually a number of ...

The deadliest creature, spreading diseases like malaria and dengue. It causes millions of deaths every year. Its venom attacks the heart and nervous system, leading to paralysis or death in minutes.

Epipedobates are species of poisonous frogs found in dry and humid tropical ... because of the environmental stressors facing the animals, ranging from construction and garbage to forest ...

is genetic material shed from animals and plants that scientists can use to tell what kinds of organisms are living in an environment. However, scientists ... Seven New Frog Species Discovered in ...