A newly discovered twist on a desert hummingbird's strange courtship ritual
You already know that hummingbirds are amazing animals - they can hover in place for minutes at a time, fly backwards at will, and flap their buzzing wings up to 70 times per second.
But how much do you know about their bizarre courtship rituals?
The details vary among species, but the principles are basically the same: The male usually begins by hovering in front of the female, singing to her, and flexing special feathers on his throat to
