Guácharo/Oilbird/Steatornis caripensis | Birds Colombia|La Voz de las Aves

We're counting down the days to Halloween with spooky sounds from the bird world. The eerie voice from our last post is an Oilbird! 👻 Thank you for sharing your guesses, here was your hint: This mysterious species spends its days hidden away in total darkness deep inside caves across the Neotropics. To navigate, it uses both keen vision and echolocation. Its retina holds the highest rod density recorded in any vertebrate, with over a million rods per millimeter, allowing it to detect even the f