Same 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
Black widow spiders are part of the family Theridiidae which includes other widow spiders. They are related to other species of Latrodectus including the redback spider.
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.
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.