@Randy F - great thread. I have enjoyed the stories and your comments about them. It's a small world - I also grew up in western South Dakota in the Black Hills and encountered many rattlesnakes. My brother and I became known for catching them and the neighbors would call us to come catch or kill them near their homes.
As for Africa, I have two stories that you might enjoy. While in the Niassa Reserve in northern Mozambique in 2013 with the late Jamie Wilson, we were driving off-road through the countryside, swerving around the trees and branches, looking for sable and heading to a place Jamie wanted to check. My wife, Wendy, was sitting in the left front seat while Jamie drove in the right front seat. The Crusier had no doors or roof on it. I was sitting directly behind and above Jamie on the bench seat in the back of the Cruiser with two trackers to my left. While doing this, I had to bend down to pass under lots of tree branches. I saw another branch coming my way so I bent over at the waist. Just then, the trackers saw a Boomslang snake on the same branch and they started yelling, "Cobra, cobra, cobra very angry!" The trackers only spoke broken English so every snake they saw was a "cobra." Hearing the commotion in the back of the Cruiser, Jamie thought we had seen an animal so he slammed on the brakes and stopped with the snake and branch just inches above my neck! I froze and yelled, "Go, go, go snake, snake, snake!" Jamie then let out the clutch and drove away about 10 yards and stopped. The trackers then pointed out the snake to Jamie and said it had been just above me with it's mouth wide open about 180 degrees. Jamie identified it as a Boomslang and said that they have to open their mouth really wide to bite because their fangs are not in the front of the mouth. He then told me that I may have died if bitten because the nearest antivenom was in South Africa. He said the venom is very deadly and many people that are bitten think they are fine until about 24 hours later when they hemorrhage from every orifice and die! That evening, I had an extra stiff drink or two around the fire!
In 2014 while hunting in Coutada 9 in Mozambique, the camp manager's wife had a frightening experience with a spitting cobra inside their bungalow. There are little gecko lizards in and around the buildings. She was laying on the bed reading a book and didn't realize that a spitting cobra was inside the bungalow chasing lizards up in the roof timbers underneath the thatched grass roof. Suddenly, a lizard fell or jumped off a timber over the bed and landed on her lap, quickly followed by the cobra! Luckily, the lizard, with the snake in hot pursuit, immediately jumped off her lap and onto the floor. It scared the hell out of her. She threatened to leave the camp immediately and head home to South Africa unless her husband installed chicken wire underneath all the roof timbers, which he did in all the bungalows.