- Adder
- Vipera berus berus
- Adder
- Well Camouflaged Snake
- Adder Snake
- Northern Viper
- Spot the Critter
- Adder Snake
- Female Adder Snake
- Female Adder
- Adder Snake
- Adder Snake
- Adder Snake
- Adder Snake
- Hidden Adder
- Female Adder
- Male Adder
- Male Adder Snake
- Female Adder Snake
- Female Adder Snake
- Female Adder Snake Close-up
- Female Adder Snake
- Female Adder Snake
- Adder Tail
- Adder Snake Hiding