Here's the one good historical recording that is widely available (From 1935) https://academy.allaboutbirds.org/peterson-field-guide-to-bird-sounds/?speciesCod

Here's the one good historical recording that is widely available (From 1935) https://academy.allaboutbirds.org/peterson-field-guide-to-bird-sounds/?speciesCode=ivbwoo https://academy.allaboutbirds.org/peterson-field-guide-to-bi... If you have any interest in birds or bioacustics or ML or such not, learning to id birds by sound either by ear or via ML is pretty neat. ID birds by spectrograph http://earbirding.com/blog/book http://earbirding.com/blog/book https://earbirding.com/blog/specs https://earbirding.com/blog/specs Merlin ML based bird ID app https://merlin.allaboutbirds.org/ https://merlin.allaboutbirds.org/ by Cornell Lab of Ornithology https://www.birds.cornell.edu/ https://www.birds.cornell.edu/