> > 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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