AustinMcConnell | The Most Viral Tweet of All Time @austinmcconnell | Uploaded August 2020 | Updated October 2024, 6 hours ago.
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Get involved in the study of birds by sharing your own recordings at:
xeno-canto: xeno-canto.org
eBird: ebird.org/home

More info on the white-throated sparrow's new song at:
nationalgeographic.com/animals/2020/07/new-sparrow-birdsong-replaces-old-tune
audubon.org/news/how-white-throated-sparrows-new-tune-went-viral
smithsonianmag.com/smart-news/canadas-white-throated-sparrows-are-changing-their-tune-180975259

White-throated sparrow footage by Keith Neff used under Creative Commons.