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Spiders are not insects! They are arachnids - invertebrates (animals without backbones) that have eight legs and which venom. Spiders are found on every continent Antarctica. There are over 44,000 known kinds of spiders. Spiders are found in every kind of and are often found in homes!

Spiders are among animals in that many spin webs out of silk. The webs insects and other to be eaten later. Larger spiders, such as wolf spiders, huntsman, and tarantulas attack prey rather than spin webs. One spider that was discovered even itself at prey like a slingshot! Most spiders eat insects, but tarantulas and larger spiders will eat small lizards and mammals as well.