Black widows are vanishing. Scientists found out why.

Sorry, Prey. Black Widows Have Surprisingly Good Memory

HumBug: Black Widows

Black Widow Spiders National Geographic

Biggest EVER black widow spider found – with HORRIFIC deadly bite and 600 BABIES - Daily Star

Black widow spiders could face extinction - thanks to their own cousins! - Study Finds

Moves as smooth as silk: scientists uncover Australian ant-slayer spider's hunting secrets, Spiders

Dancing With Black Widow Spiders - The New York Times

Black widow spiders are facing extinction from deadly cousins no-one talks about - Daily Star

The End of Nature