Sources audio: HDfreema - Night crickets back porch (CC0 1.0) Felix Blume - Forest at night crickets cicadas and insects in the Sian Ka'an biosphere reserve (CC0 1.0) Inchadney - Spooky Scottish night - Something going on at night - Night in the forest (CC BY-NC 3.0) Breviceps - Owl hoot (CC0 1.0)