With over 900 different species, there’s a lot of diversity in the tarantula world. They range from the size of your thumbnail to the size of a Frisbee.

Bug Bytes: Old World Vs. New World Tarantulas

As described by Edward O. Wilson — perhaps the best known American biologist, researcher, naturalist and author — invertebrates are "The Little Things That Run the World." And indeed they do, in so many ways. In terms of numbers — while most invertebrates are pretty small, the sheer number of them is astounding. Together, they have more biomass than any other animal on earth.Learn more about the fascinating creatures that run the world, with Bug Bytes from the Missoula Butterfly House and Insectarium.

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Bug Bytes: Old World Vs. New World Tarantulas

Bug Bytes: Old World Vs. New World Tarantulas