Tiny backpacks reveal the secret, sometimes circuitous migrations of small songbirds

Tiny backpacks reveal the secret, sometimes circuitous migrations of small songbirds

by Stephanie Szarmach, Smithsonian Institution Squinting through my binoculars, I scanned the dense branches of a black spruce, trying my best to catch a glimpse of the thin legs of a small black, white and yellow songbird. I was on the hunt for a yellow-rumped warbler – a bird affectionately called “butter-butt” by bird-watchers after … Continue reading Tiny backpacks reveal the secret, sometimes circuitous migrations of small songbirds