There are approximately 900 species of Tarantula, with a range that encompasses much of the tropics and subtropical regions. The smallest species is the size of a fingernail, the largest as big as a dinner plate. These hairy arachnids come in a variety of colours, with brown being popular, but there is also the brilliant blue Peacock Tarantula, and various other species, including this Mexican Red-kneed Tarantula. Some species are aboreal, others terrestrial. All are predators, using ambush techniques to hunt their prey - which ranges in size from tiny insects, up to lizards, mice and even birds, depending on the species (and the size).
Tarantulas are sometimes kept as pets. They are all venomous, but there are no recorded fatalities from being bitten. Once again, the venom varies across species - some being no worse than a wasp sting, others causing muscle cramps, severe pain and hallucinations.
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