Sparrows from B.C. have spent the past decade teaching a new song to birds found as far away as Quebec
VANCOUVER -- A team of biologists spent 14 years tracking how a group of birds from B.C. became song influencers, eventually changing how the white-throated sparrow warbles from the Rocky Mountains all the way to the border of Quebec.
The new song has just two notes at the end, resulting in something more like, “Oh my sweet Cana Cana Cana.” Birdsong does change over time, Otter said, but typically a new song type doesn’t completely replace an older song. It’s also very unusual for it to happen so quickly.
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