"Aah-ooh!
Werewolves of London
Aah-ooh!
"
Brown-headed Cowbirds are noisy, making a multitude of clicks, whistles and chatter-like calls in addition to a flowing, gurgling song. Allaboutbirds
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A few days ago we got a new life bird.
Someone reported seeing American Pipits at LMU. And I’ve been thinking about it ever since. This would be a new bird for us. It’s not too far to drive....if you don’t mind sitting in mind numbing traffic surrounded by ugly billboards and block after block of run down looking buildings and strip malls along Lincoln Blvd. It’s the obvious straight line to the prize. So a week or two went by.
Allaboutboids has information about range, diet, and breeding... rather cut and dry. No entertaining factoids to help me retain the information.
How will I remember this not-a-sparrow?
In 2008 the Vermont Center for Ecostudies caught a few pipits in mist nets, clipped a bit of a feather, and tested for stuff called deuterium.
“Some basic chemistry explains how feathers can reveal their secrets. Take the element hydrogen, for example. Recall from high-school chemistry that a hydrogen nucleus has a single proton. Yet there are trace amounts of another form called “heavy hydrogen,” or deuterium. Its nucleus has one proton and one neutron.... And it turns out that the ratio of deuterium to hydrogen in water is predictable in certain regions. In North America this ratio is a pattern that generally tracks with latitude (see map vtecostudies.org/wp-content/uploads/2014/10/vce-FN-fall-2... ). Rainwater falling in Vermont, for example, will contain different deuterium ratios than rainwater falling in Virginia.
As rainwater passes up the food chain from plant to insect and eventually birds, this ratio of deuterium in rainfall is retained. As a result, a bird’s feathers carry deuterium ratios that correspond to the rain falling where those feathers were grown. “In other words, you are what you eat,” says VCE director Chris Rimmer. ”
ebird.org/view/checklist/S43592977
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