How to Say "adder" in Spanish
The Spanish word for “adder” is “víbora” — B1 level.

Examples
Ten cuidado al caminar por las rocas, podría haber una víbora.
Be careful when walking on the rocks; there might be a viper.
La víbora es una serpiente venenosa con colmillos largos.
The viper is a poisonous snake with long fangs.
El biólogo identificó a la víbora por su cabeza triangular.
The biologist identified the viper by its triangular head.
One Gender for Both Sexes
This word is always feminine ('la víbora'). If you need to specify if the snake is a boy or a girl, you say 'la víbora macho' (the male viper) or 'la víbora hembra' (the female viper).
Víbora vs. Serpiente
While all vipers are snakes ('serpientes'), not all snakes are vipers. Use 'víbora' when you want to be specific about this venomous family of snakes.
Don't use 'el'
Mistake: “El víbora cruzó el camino.”
Correction: La víbora cruzó el camino. Even if the snake is male, the word remains feminine.
Related Translations
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