Only black widows have hourglasses on their backs... You should probably be careful
The name "Black Widow" comes from the spider killing their mate, plus they are black with a red or yellow hourglass.
Possibly a Black Widow. Look for a red hourglass on the belly. If there is one, it's venomous.
The Black Widow Spider has either a yellow, red, or orange hourglass, but sometimes can look like a dot. Links: http://mysite.verizon.net/vzer75kc/
hourglass
A spider with a black, furry belly is likely to be wolf spider. These spiders often have hair all over, but it can be more noticeable on the belly.
The spider you are referring to is likely the black widow spider, scientifically known as Latrodectus hesperus. This venomous spider is identified by its distinctive markings: a shiny black body with a red or orange hourglass shape on its abdomen. In San Diego, it is important to be cautious around these spiders as their bites can be harmful to humans.
The black widow spider.
Some species of black widow have a red dot. A redback spider, the equivalent of a black widow in Australia, also has a red dot on its back. It is all black and quite small and has a big red patch on its back. it is highly venomous. See the related link below for a picture.
that would be a black widow. very dangerous. stay away from them. not a very nice spider to get bitten by! haha It isn't a black widow. Black widows have a red hourglass shape on their belly.
It is black, and has a red hourglass-like shape on its abdomen.
The small black bird with a yellow belly is called a Yellow-bellied Flycatcher.
What kinda of snake is Black with yellow bell