Songbirding: "Spooky Songbirding Halloween Special" (audio podcast + spectrogram)

An autumnal owling adventure in the twilight hour.
Common Raven recorded on January 21, 2018 in Cootes Paradise Sanctuary, Hamilton, Ontario, Canada.
Owling session recorded on October 9, 2019 in Dundas, Ontario, Canada.
Referenced article on audio playback (or whistling!) in birding: www.sibleyguides.com/2011/04/...
This video version includes spectrograms: visual representation of all the sounds. Read more about "reading" birdsong via spectrograms here: www.audubon.org/news/start-us...
Credits
Recorded, engineered, narrated and created by Rob Porter.
Creepy Creative Commons music by Scott Buckley.