_{This YouTube video was produced by The Cornell Lab of Ornithology.}

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Rare looks at birds from the inside of a tree cavity! In this episode of Backyard Birds Revealed, learn about the ecosystem of woodpecker holes—why

_{This YouTube video was produced by The Cornell Lab of Ornithology.}

The thornforest of Texas’s Lower Rio Grande Valley is one of the most biodiverse ecosystems in North America, attracting birdwatchers and wildlife enthusiasts from around the globe. It

_{This YouTube video was produced by The Cornell Lab of Ornithology.}

Explore the American Goldfinch and 700+ more bird species: https://www.allaboutbirds.org/guide/American_Goldfinch

Meet the cheerful American Goldfinch! In just two minutes, discover the basics of this familiar North American bird,