Urling & I would appreciate a Cobirds discussion about two birds we saw this
week on the plains.
Near Bovina (orat least the Bovina exit from I70):
A bird we deem a Cassin’s Sparrow, but:
* It had a kind of rusty cap and a faint but noticeable eyeline; and
* It cocked its tail like a thrasher.
* It sang like a Cassin’s,except that it added a warble at the end.
It perched besideus at one point so that we could examine it closely; all
other features pointed toCassin’s: shape, long tail, clear breast, habitat.
On the BonnyReservoir dam:
About 50 Cliff Swallows perched on the ground, bellies flushto the gravel road.
Not feeding, not moving their heads, not scruffing around as iftaking dust
baths. Just perched flush to the ground, in groups of 5-10. Does anyone know
why theywould do this (whatever this is)?
Hugh Kingery
Franktown, CO
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