BirdNote Daily

Bird feathers are famously light, but they’re also strong, holding up under tricky flying and high winds. They’re made of beta keratin, a tougher version of the keratin that makes up human fingernails and hair. They also have an intricate branching structure that makes them highly flexible and free of unnecessary weight. More info and transcript at BirdNote.org .  Want more BirdNote? Subscribe to...

The Toco Toucan of South America has evolved to stay cool in the sweltering heat of the tropics. Relative to its body size, the Toco Toucan has the largest bill of any bird in the world, accounting for a third of the body’s entire surface area. It’s also laced with blood vessels and wholly without insulation — features that make it a superb structure for getting rid of excess body heat. More info...

Around this time of year, many baby birds are begging their parents for food. A Hairy Woodpecker chick calls from its nest carved deep within a dying tree. A Great Horned Owl juvenile reminds his parents "Hey! I'm over here! Feed me!" Moving from forest to water, we find this American Coot chick hoping to be fed by its parent. More info and transcript at BirdNote.org .  Want more BirdNote? Subscri...