Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. What is the smallest animal ever? – Peter, age 9 ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. In the 19th century, the German zoologist Christian Bergmann pondered a simple ...

A tiny frog endemic to the state of Bahia on Brazil’s Atlantic coast may have just earned the title of the smallest vertebrate in the world. The Brazilian flea toad, or Brachycephalus pulex, was first ...

Imagine an animal that seems to be assembled from various other creatures: it has large eyes, the round body of a rabbit, a rodent’s pointed snout, tiny pig-like hooves, and even fangs like those of a ...

Small Animals are household pets normally housed in a cage. These include, but are not limited to, guinea pigs, hamsters, parakeets, turtles, fish, chameleons, etc. Excluded are animals that may be ...