instinct
US /ˈɪn.stɪŋkt/
UK /ˈɪn.stɪŋkt/

1.
instinto
an innate, typically fixed pattern of behavior in animals in response to certain stimuli
:
•
Birds build nests by instinct.
Las aves construyen nidos por instinto.
•
The salmon's instinct to return to its birthplace is remarkable.
El instinto del salmón de regresar a su lugar de nacimiento es notable.
2.
intuición, corazonada
a natural or intuitive way of acting or thinking
:
•
She knew by instinct that something was wrong.
Ella supo por instinto que algo andaba mal.
•
My first instinct was to run away.
Mi primer instinto fue huir.