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vocalization

What Birds Can Hear in Songs

What does the Winter Wren hear in a song? It's a long story... What we hear as a blur of sound, the bird hears as a precise sequence of sounds, the visual equivalent of seeing a movie as a series of still pictures. That birds can hear the fine structure of song so acutely allows them to convey... read more »

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Topics & Themes:  vocalization

First Songster of the Day

Why do birds start their songs so early in the morning? Many are announcing that they've made it through the night. Some males grab the first opportunity to remind others of their territories and to fend off other males. Certain migratory males signal their location and availability to females... read more »

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Topics & Themes:  vocalization

Acorn Woodpecker

He doesn't sound exactly like Woody Woodpecker, but the Acorn Woodpecker was probably the model for the cartoon character. The story goes that Walter Lantz and his new bride, Grace, were on their honeymoon in a cabin in California. A racket on their roof drew them outside, where they spotted an... read more »

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Topics & Themes:  Hollywood, humor, vocalization

October Migrants - Look Who's Back!

In the October sunlight, a Lincoln's Sparrow – like this one – sings energetically from a hedgerow. Soon a Fox Sparrow chimes in. Both nested in Alaska last summer but will spend the winter farther south. The Snow Geese are moving, too. A massive movement of birds takes place in the fall. The... read more »

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Topics & Themes:  migration, vocalization

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