Red widow spiders have entirely red-brown bodies, with the exception of their black abdomen. ©Florida Division of Plant ...

The black widow spider ... genus in which there are 31 recognized species including the Australian red-back, brown widow spider (sometimes called the gray widow), and the red widow spider.

'The birds would see a spider model with red markings and get startled and jump back, like 'Oh no man, get me out of here.' Black widow spiders are considered to be one of the most venomous ...

Black widow spiders are easily recognizable. They’re plump, black, and shiny, with an hourglass-shaped, red mark on their abdomens. Sometimes, this red mark may take a slightly different shape.