Brown widow spiders are killing off black widows in the southern US
Seek & Destroy: Black Widow Spiders Are Being Actively Hunted by Brown Widows
Black widows are vanishing. Scientists found out why.
Mystery of how black widow spiders create steel-strength silk webs further unravelled
Will Venomous Brown Widow Spiders Make Black Widows Extinct?
Black widow spiders are facing extinction from deadly cousins no-one talks about - Daily Star
Black widows are being killed off by non-native brown widows
How to have a healthy relationship with spiders
Black widow spiders declining because brown widows hunt them down -study - The Jerusalem Post
Black widows are being killed off by non-native brown widows
Oh what a mysterious web they weave Lawrence Livermore National Laboratory
Black widow spider found in Brown County