Catesby's snail-eater
Catesby's snail-eater, also commonly known as Catesby's snail sucker, is a nocturnal species of nonvenomous snake in the family Colubridae. The species is native to northern South America.
In June 2021 upon manipulation, a snake of this species presented vocalization, a duration of 0.06 seconds, reaching 3036 Hz in its peak frequency with a modulated note, emitted through exhalation of air through the larynx, being the first record of a snake call in South America.