If its black, has a large butt and there's a red shape on its back the resembles an hourglass, then its a black widow spider and they are very poisonous
no, but they are mean and can make you sick
Thats easy! Red back spiders are called 'red back spiders because they have a red (or sometimes dark orange) stripe on their back. they sometimes have a diamond slightly below that stripe aswell.
Tall
by humping
what are red back appearances
Redback, found in Australia
Yes
sometimes
Australia
not unless they have red on their back
what are red back appearances
Yes