More Mysterious Than the Dodo: This Unremarkable-Looking Bird Is Evolution’s Greatest Puzzle

The blue-headed quail dove is a uniquely ancient species with no close relatives and is now on the brink of extinction. At first glance, the Cuban blue-headed quail-dove doesn’t seem like much: drab brown feathers, a slender beak, and a pronounced strut typical of most other doves. You’d be forgiven for overlooking it in favor [...]