Reptiles are air-breathing vertebrates covered in special skin made up of scales, bony plates, or a combination of both. They ...

UK law both requires and regulates experiments on animals. Any new drug must be tested on at least two different species of live mammal, one of which must be a large non-rodent. The way scientists ...

The Animal Welfare Institute prepares brief fact sheets on a variety of topics related to the use of animals in agriculture. Each of the following fact sheets is available as a downloadable PDF.

Raised by the thousands at a single site, animals are confined in such tight quarters that they can scarcely move, let alone behave normally. Such production creates what appear to be “cheap” meat, ...

Mammals are among the most adaptable animals on the planet. They are found on every continent and in every ocean, and range in size from tiny bumblebee bats to enormous blue whales. One reason for ...

From vomiting to pooping, all the animal facts and behaviours left unmentioned in pet store brochures are shown here, in vivid detail, with sounds, video, and even games. There are 16 different ...

From poison dart frogs to Gila monsters, here are a few small animals that might look harmless but are incredibly dangerous.

there's nothing like animal jokes to make you roar (or hoot or howl) with laughter I’ve been a stand-up and improv comic for 30 years, and I know for a fact that there are millions of animals ...

The cold blooded crocodile has the most sophisticated heart in the animal kingdom. It has an extra aorta which means it can control where blood flows around its body. When submerged, oxygen rich ...

Animal fact sheet for the animals featured in BBC One's Hidden Kingdoms. Grasshopper Mice Grasshopper mice have captured the interest of researchers as they hunt scorpions whose venom could kill a ...

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All definitions in this encyclopedia are not only consistent in style because they are written by one person, Alan Freedman, but they get clearer all the time because they are routinely edited for ...