November 15, 2019
Richard Stevens:
After staying up most of last night (owling), I got a late start on the birding day. Rebecca and I drove to Aurora Reservoir around 1:00 pm.
A group of gulls beneath the lower parking area pavilion included an Iceland Gull (Thayer's), two Herring Gulls and hundreds of Ring-billed Gulls. We examined the gulls for almost an hour; no Mew Gull was among them.
The only other group on shore was near mile 4.5. Too far away for most IDs, we could pick out an adult Lesser Black-backed Gull.
Few waterfowl were on the Lake today. We did see nine Western Grebes in one cluster.
We hiked to the Lake from the West Dam parking area. Several hundred geese, including one Greater White-fronted Goose stood on the shore at the southern end of the dam.
One Common Loon swam along the scuba beach. Most gulls standing on the northwest corner of the dam were Ring-billed with a few California Gulls.
We hiked part of the Pronghorn Open Space (north of Aurora Reservoir) searching unsuccessfully for a Swamp Sparrow in the large cattail fields. No Short-eared Owls appeared this evening.
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