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Alex Chadwick in Big Bend: The Vulture

Black Vulture (left) © Paul Williams and Turkey Vulture © Mike Gabelmann


        BirdNote Goes to Big Bend

        The Roadrunner
        Banding Hummingbirds
        An Oasis for Birds
        The Vulture
        The World is Wide
        Big Bend: Meet the Team


Join Alex Chadwick in Big Bend National Park.

Alex Chadwick has been in Southwest Texas for BirdNote. He found nighthawks, roadrunners, and hummingbirds. Great to learn about and see. But there was another bird every day in Texas – something much more common… Here’s Alex.


AC: Vultures. Turkey Vultures. And Black Vultures. Vultures that inspired western poet Robinson Jeffers.

NE: I had walked since dawn and lay down to rest on a bare hillside
Above the ocean. I saw through half-shut eyelids a vulture wheeling high up in heaven,
And presently it passed again, but lower and nearer, its orbit narrowing,
I understood then
That I was under inspection.

A "kettle" of vultures © Brian Henderson

AC: Unloved birds, vultures, and I wonder if it’s because the name suggests it derives from vulgar, how we’d describe much of their behavior. Actually, vulture is thought to come from the Latin word vellere, to pluck or tear, a good description of a feeding vulture.

In the sky, they are aerial acrobats…big black wings held in a V-shape to catch thermal currents and glide.  Some open their tip feathers and swoop up. They seem to wobble a little from side to side…and soar on. Texans know them.

KB: Y'ought to see them come in when migration starts. And they come in in these huge kettles up the Rio Grande. To all points north.

AC: Kettle…a word for a group of vultures in flight. On the ground, they are called a committee, or a volt, or a venue, unless they’re eating: that’s a wake of vultures. There are new world vultures and old world vultures; they inhabit every continent except Australia and Antarctica. They fill the branches of trees - and hold their wings open to the sun.

Turkey Vulture © Kenneth Cole Schneider

CO: They’re kind of pre-historic like a pterodactyl.

AC: Vultures are scavengers. They often fly low, smelling for death, which they eat. Turkey Vultures are exquisitely sensitive to the scent of decaying flesh… a few parts per billion of air volume, and they’ll find it, a skill that enables them to hunt above forest canopy.

JC: It’s neat when they eat a snake. You'll see a dead snake, then a couple hours later, see just the skeleton and the rattler. But everything else picked clean.

AC: Vultures have powerful digestive acids to neutralize the dangerous bacteria in carcasses. And here's some advice. Keep a distance from these birds, and be careful if you catch a vulture when trying to net hawks. Another Texas story.

MF: I had trapped a Turkey Vulture, so I had to go down and open up the bow net and untangle this now very upset Turkey Vulture. [Chuckles] And that's how I learned about Turkey Vulture puke, because he just flipped on his back and he started hissing. It's like, well, I got to get him out. And he just let loose.

Turkey Vulture © Brian Zeiler

AC: Still, it’s hard to dislike these birds. Here's more from Robinson Jeffers’ poem, Vulture.

NE: …how beautiful he looked, veering
    away in the sea-light over the precipice. I tell you solemnly
That I was sorry to have disappointed him. To be eaten
    by that beak and become part of him, to share
    those wings and those eyes--
What a sublime end of one's body, what an enskyment;
    what a life after death.

AC: Vulture, written by Robinson Jeffers, and read here by Neenah Ellis. We also heard from Kelly Bryan, Carolyn Ohl, Mark Flippo, and Joey Cain, a waiter in a restaurant where we ate. Another vulture attribute…just about anyone will share a vulture story.

For BirdNote, this is Alex Chadwick from Big Bend National Park in Southwest Texas.

Funding for BirdNote’s series from Big Bend came from Deedie and Rusty Rose.






Black Vulture? Turkey Vulture?

Turkey Vultures have a better sense of smell, so Black Vultures often fly higher to watch them and then follow them to a carcass.
Turkey Vultures are found all over the US and into Canada, while Black Vultures are seen only in the Southeast and southern Texas. Still, Black Vultures are found in most of South America and are the most numerous vulture in the Western Hemisphere. (per Cornell's All About Birds)
An easy way to remember how to tell the two species apart overhead is to determine whether the bird has lighter trailing feathers on its wings. If no, it's a Black Vulture. If yes, it's a Turkey Vulture. Turkey... Trailing...

Strange Doin's

Because they have no syrinx, vultures mostly hiss or grunt.

Many cultures revere vultures. Some offer their dead in a "sky burial," and the vultures are thought to free the soul from the body.

A vulture cools itself and disinfects its legs by urinating on them.

When threatened, vultures may use projectile vomit as a defense.

Vultures are now playing a part in forensic crime research.

What's with Vultures?

New World vultures – including Black and Turkey Vultures and California and Andean Condors – aren't closely related to the vultures of the Old World.

Some type of vulture is found on every continent except Antarctica and Australia.

The genus name, Cathartes, means "purifier."

In the sky, a group of vultures is called a venue. On the ground, feeding at a carcass, a group of vultures is a wake.


Related Resources

Listen to BirdNote shows about vultures:
The Vulture, A Poem by Robinson Jeffers
Turkey Vulture - Sky Sailor
The Vulture's Iron Stomach

Turkey Vultures and Gas Pipelines
Vultures Sail the Strait

Learn more about Turkey Vultures on Cornell's All About Birds.
And here's more about Black Vultures.

The Forensic Anthropology Center at Texas State University is using vultures to help improve crime and anthropological research.