|Thayer/Copperhead Snake on Dry Leaves|
Fascinating articles explains why snakes may have played a decisive role in the way humans and other primates see.
Are Humans Hardwired to Detect Snakes?:
"This is the first neuroscientific evidence to support the idea that snakes have been a very important selective pressure in the evolutionary history of primates."
Readers of The Red Hourglass may recall that the sounds of snakes have also proved to have a special effect on the brains of mammals.
Thanks to Dan for the news tip.