Yes, the main purpose of the black widow spider's venom is to kill prey items and as a defense against predators.
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∙ 7y agoSame as other spiders, BUGS!
Black widow spiders eat insects. Rattle snakes eat mice, rats and other small animals.
If you are referring to Black Widow spiders that can be found on banana stalks; they can bite you and inject a toxic poison.
*The black WIDOW spider is, not the black window. that doesn't exist! LOL
A black widow often eats small insects or it eats other tiny Spiders.
No, it is not true. Spiders do eat insects like gnats, but they also eat other other insects, spiders, and some large spiders have been seen to eat other small animals such as millipedes, wood lice, lizards, frogs, and birds.
There are many animals that are cannibals some that i could think of are Black widow spiders, chimpanzees, lions, and some humans
Spiders are all relatives and when different spiders mate they get different species of spiders. that's how black widow spiders came to england.
Black widows do not migrate long distances. They typically stay within their established habitat, which is often in dark, sheltered areas such as woodpiles, sheds, and under rocks.
spiders
Black widow spiders live around logs and rocks any where they can make a nest
Birds and lizards, even some other spiders, such as the brown house spider, feed on widows.