It's a commonly held belief that snakes can't hear, or can't hear very well, because they have no external ear openings. Some clever new research puts that myth to bed.
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Main Paper References:
Zdenek CN, Staples T, Hay C, Bourke LN, Candusso D. 2023. Sound garden: How snakes respond to airborne and groundborne sounds. PLOS ONE 18:e0281285. DOI: 10.1371/journal.pone.0281285.
Other Links/Mentions:
Zdenek et al video of snakes reacting to noise - https://www.youtube.com/watch?v=jnNzinwwItk 
Editing and Music:
Podcast edited by Emmy – https://www.fiverr.com/emmyk10 
Intro/outro – Treehouse by Ed Nelson
Species Bi-week theme – Michael Timothy
Other Music – The Passion HiFi, https://www.thepassionhifi.com