Birds
Why Roosters Have Wattles
Research suggests a rooster's wattle may help gain a hen's attention
Return of the Sandpiper
Thanks to the Delaware Bay's horseshoe crabs, the tide may be turning for an imperiled shorebird
Five Favorite Penguins Outside Antarctica
Of all the species of penguins, more than half can be found only outside Antarctica. One of our favorites is in the Galapagos
Day 5: Bird Watching and Animal Tracking
Living among the African wildlife, Smithsonian researchers are busy studying the symbiotic relationships between flora and fauna
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