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[VIDEO] On Galápagos, Revealing the Blue-Footed Booby’s True Colors


With no real predators, the birds live proud, public
lives. That accessibility has proved a bonanza
for scientists, casting light on their mating habits
and even why the shade of their feet matters.

NORTH SEYMOUR ISLAND, Galápagos —  Natalie Angier reports:  The birds move with comic grace, like Fred Astaire and Judy Garland as hobo swells in oversize shoes. The male faces the female and slowly, slowly lifts up one foot, sets it down and lifts the other. Check out my feet! They’re blue. Really, really blue.

The female mirrors his ponderous moves. Mine are blue, too. Is this ground sticky, or what?

He leans over, spreads his wings wide, points his bill at the sky and whistles breathily, as if blowing on a toy flute. She grunts and totters up to him, and they clack bills. He grabs a pebble, and they clack bills again; he drops the pebble and spears a twig. Clack, whistle, grunt, whistle. And suddenly, she backs away.

Desperate, the male solemnly starts high-stepping again, displaying his beautiful teal-blue feet. But the courtship has fizzled, and when the female again lifts up a foot in response, it looks as if she’s waving goodbye.

It’s dating time here for the blue-footed booby. Everywhere, dozens of times a day, the large, handsome seabirds are making their highly ritualized courtship display — one reason the boobies are among the most celebrated and beloved residents of this archipelago.

They are also feeding voraciously and spectacularly, circling high over the water, alert for the slightest flicker of fish, and then freezing in midair for a fraction of a second before dropping headfirst onto their targets, like missiles falling from a plane. … (read more)

via The New York Times

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