Date: 4/1/17 1:54 pm
From: Patrick O'Driscoll <patodrisk...>
Subject: Resending: [cobirds] Yellow-bellied sapsucker in Denver City Park
> A male YBSA was observed at about 11:30 a.m.. Saturday in conifers just
> southwest of the tennis courts on the west side of the park. We watched it
> making neat rows of sap wells in a medium-tall pine. We spotted it while
> looking at a well-hidden red-tailed hawk on an enormous nest near the top
> of one of the tall old conifers on the west side. The RTHA''s apparent
> mate, with classic screeching call, flew in from the Catholic church spires
> at 23rd Avenue and York at the park's northwest tip to perch briefly in the
> treetop above the nest.
> These sightings were near the end of a DFO field trip meant to observe the
> colonial waterbird nesting sites in Duck and Ferril lakes. We counted more
> than 425 double-crested cormorants in the Duck Lake island trees and two
> black-crowned night-herons, the first two in City Park this season, on the
> island ground,. Still no BCNH's or snowy egrets yet on the Ferril Lake
> island site.
> Although it was cold to start, the predicted rain and snow never
> materialized, allowing our small group of 4 to record other good birds
> among 30 species total. Highlights included a female Cooper's hawk on a
> newly built nest south of Ferril Lake (first seen building the nest last
> Sunday)
> ​,​
> 2 ruby-crowned kinglets in the "pinetum" of conifers on the slope below
> the south end of the Denver Museum of Nature & Science, a handsome male
> cinnamon teal on Ferril Lake, and a great blue heron that perched for a
> short while atop one of the trees at the high-occupancy Duck Lake cormorant
> rookery.
> Patrick O'Driscoll
> Denver

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