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Old July 3rd, 2020 #27
alex revision
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Catchy Sparrow Song Goes 'Viral' Across Canada in Continent-Wide Phenomenon


2 JULY 2020

White-throated sparrows in British Columbia are whistling a new tune and it's going viral across Canada.

What started as a minor change to a common song has now morphed into a continent-wide phenomenon before our very ears.

https://www.sciencealert.com/this-sp...e-heard-before