BirdNote Daily

Bearded Vultures have lived alongside humans for thousands of years. Though these majestic raptors are mostly found in Asia and Africa today, they were once abundant in Europe, too. While Bearded Vultures have vanished across much of their original range, their nests remain like time capsules of a bygone era. Researchers analyzed historical nests in southern Spain where the birds haven’t been seen in nearly a century. They found thousands of bone fragments, dozens of egg shells — as well as hundreds of human artifacts that were likely added as nesting material. These hoarded items offer an unexpected glimpse of what life was once like for the people and wildlife that thrived in this region.

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In the black water of a Louisiana bayou, the water ripples where a slender form glides just beneath the surface. It appears to be a snake, but look closer at the long, narrow spike of a beak. It’s a snakebird, a colloquial name for the Anhinga, swimming with just its head and neck above the water. An Anhinga hangs motionless in the water or swims slowly just below the surface, its neck crooked, like that of a cobra. When an unwary fish swims close, the bird’s head darts forward, impaling its prey. Then it flings it in the air and downs it headfirst!

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When a pair of Western Grebes decides it’s time to mate, they call loudly and approach one another. Each bird curves, then straightens, its long neck gracefully. They then face each other, necks on the water’s surface, their bills flipping up drops of water. If attraction prevails, they rush together and off they go across the water, running on the surface side by side. Standing straight up with necks held high and feet churning like propellers, they no longer look much like grebes - more like participants in Tchaikovsky’s ballet, Swan Lake.

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This Osprey looks similar to other birds of prey. But the species is truly unique among raptors. For example, the Osprey is the only raptor with oily feathers. And the Osprey’s long, slender, arched wings help it clear the water as it takes flight after catching a fish. The Osprey we see today — just one species worldwide — has changed little since tens of millions of years ago, suggesting that over this period, it has remained particularly well suited to its environment.

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When wildlife conservationist Olya Weekley was a little kid, she noticed something incredible from her grandmother’s kitchen window: a pair of House Martins had built a mud nest in the eaves of their third floor apartment. That experience sparked Olya’s life-long love of birds. Now she leads the nestbox program at Tucson Bird Alliance, which designs nestboxes for desert birds and helps people create nesting opportunities at home.

More info and transcript at BirdNote.org.

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