A Norwegian viper.snake (European adder) can make individuals very ill while others do not notice anything, Viper bites have doubled from 2022 to 2023 in the month of May in Norway.
The earliest I have ever seen the cormorant snake has been around the first week of April. I could never imagine meeting snakes in January.
The number of people calling the Swedish Poisons Information Centre about snake bites rose sharply in 2018 and is expected to continue its upward slide ...
Snake wakens early from winter sleep. He is a sure spring sign, but is not happy in February. If you see a viper at this time of year, then there may be several snakes in the vicinity.