Urling & I surveyed the southern section of the South Platte on the Urban CBC today. A plethora of ducks!
We counted 466 Shovelers, 225 Mallards, and, the best, 160 Buffleheads. 12 duck species. They included one striking male Barrow's Goldeneye, located just south of Florida Ave.
One observation/question. Ducks packed the river from Florida south to Grant Frontier Park; north of Florida we saw only smaller groups. One section to the north had ice across it. So: why the difference?
Could water quality of the river change there?
Or does the water get colder than the ducks prefer?
Or does something else affect their preferences?
Hugh Kingery
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