most spiders are cannibalistic. the tarantula does probably eat other spiders for that reason and the tarantula does eat meat as a primary source of nutrients.
Tarantulas can eat crickets, mice or birds depending on what type of tarantula it is. The often live in humid warm climates like rainforests. If you are thinking of getting a tarantula I recommend...
Birds, snakes, and rodents mostly avoid tarantulas because they have hairs carrying irritating toxins. The "spider wasp" (Pompilidae ) stings the tarantula and lays its egg or eggs in the spider's...