BirdNote Daily

For most birds, keen eyesight is critical for survival. But many birds lead lives that can be very hard on the eyes — like flying at breakneck speed, racing for cover into a dense thicket, or diving under water to capture prey. Imagine how the chips fly as this Pileated Woodpecker chisels a cavity. Fortunately, birds have evolved a structure for protecting their eyes. Beneath the outer eyelids lies an extra eyelid, called the nictitating membrane. It helps keep the eye moist and clean while guarding it from wind, dust, and hazards.

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Nothing says summer like a day at the beach. Whether you’re lounging by a lake or enjoying a seaside vacation, listen to this episode to learn five things you can do to share the shore with birds.

BirdNote is supported by Jim and Birte Falconer of Seattle, Washington — and generous listeners around the world. 

More info and transcript at BirdNote.org.

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BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

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When they migrate, tiny songbirds that spend most of their lives on land fly hundreds of miles over the ocean at a stretch – and they get tired. Research suggests that birds migrating over busy shipping routes in the Mediterranean Sea may use the decks of sea vessels as places to catch their breath when the weather turns bad.

More info and transcript at BirdNote.org.

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Former Washington Governor Jay Inslee has been around birds his entire life. But he says it wasn’t until his early 30s that a bird really caught his attention. In this episode, Inslee shares how the Western Meadowlark’s melodic song bolstered his connection to the natural world.

More info and transcript at BirdNote.org.

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Why does the American Dipper dip? One possibility is that the dipper's repetitive bobbing, against a background of turbulent water, helps conceal the bird's image from predators. A second theory asserts that dipping helps the bird spot prey beneath the surface of the water. But this theory about why dippers dip holds the most promise: Dipping may be a mode of visual communication between these birds in their noisy environment.

This episode is brought to you by Teton Science Schools, specializing in outdoor learning experiences and education in Grand Teton National Park. 

More info and transcript at BirdNote.org.

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BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.