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The five most unique birds in the world

10,000 Birds

While the ranking is limited by our current knowledge of the fossil record and the state of genetic sequencing techniques, it certainly spotlights some fascinating and enigmatic global treasures with unique physiologies and lifestyles. The Oilbird today lives only in South America, but fossils of similar species are known from Wyoming.

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Here’s the new bird family tree. It’s amazing.

10,000 Birds

It’s an intriguing proposal — none of these birds had belonged much of anywhere before (heck, bustards were dumped in Gruiformes with cranes and rails) — and it means that birds adapted either to arboreal or to ground-dwelling lifestyles more than once within the clade. Jarvis et al.

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