Date:  Wednesday, September 18, 2019
E-mail:  RBA AT cobirds.org
Compiler:  Allison Hilf;  [email protected]
Phone:  303.888.5110

Birders have been helpful by reporting updates to COBirds. Thanks!
CAPITAL LETTERS denote very rare species, as listed by the Colorado Bird 
Records Committee at the CFO website.
(*) indicates new information on a species.
For more information on birds seen today, go to cobirds.org and scroll to the 
bottom for “Recent eBird Sightings”.

Rare, out-of-place and out-of-season species include:

GROOVE-BILLED ANI (*Denver)
ANNA’S HUMMINGBIRD (*La Plata)
Mountain Plover (Boulder)
Buff-breasted Sandpiper (Lincoln)
Sabine’s Gull (Arapahoe, *Boulder, Douglas, Jefferson, Pueblo) 
GRAY FLYCATCHER (*Phillips)
Bewick’s Wren (*Weld)
Northern Waterthrush (Alamosa, *Teller)
Tennessee Warbler (Arapahoe, Jefferson)
MOURNING WARBLER (*Mesa)
Chestnut-sided Warbler (*Teller)
Blackpoll Warbler (Jefferson)
Scarlet Tanager (Baca)

ALAMOSA COUNTY:
—-On September 15 a Northern Waterthrush was reported at the Alamosa Disc Golf 
Course by Ryan Bushong.   This is a first county e-bird record for this species.

ARAPAHOE COUNTY:
—-On September 16 a Tennessee Warbler was reported at Richmil Ranch Open Space 
(Loop trail and road) by David Suddjian.
—-On September 15 Sabine’s Gulls were reported at Cherry Creek SP; first 
reported by Cynthia Madsen on September 13.

BACA COUNTY:
—On September 15 a Scarlet Tanager was reported from Carrizo Canyon Picnic Area 
by Cameron Carver.

BOULDER COUNTY:
—-On September 17 a Sabine’s Gull was reported at Lagerman Reservoir by Mark 
Miller.
—-On September 16 a Mountain Plover was reported at Lagerman Reservoir (on the 
far bank) by Sue Riffe.
—-On September 15 Sabine’s Gulls were reported at Valmont and Lagerman 
Reservoir and Swede Lake by several observers.

DENVER COUNTY:
—On September 17 a GROOVE-BILLED ANI continued in the Sand Creek riparian, 
between Westerly Creek and Smith Rd. It was first reported there September 8 by 
Jason Bidgood. At times it roams upstream of Westerly Creek. Park on Xanthia St 
or on 37th near Alton Ct. 

***Please note this area is NOT in “Sand Creek Park”, which is upstream in 
Adams County.  Please don’t use this location for any e-bird report.
ALL sightings have been in Denver County.

DOUGLAS COUNTY:
—On September 16 (3) Sabine’s Gulls were reported at Chatfield SP—Plum Creek 
delta. First reported here and at the Marina Sandspit over the past two weeks 
by many observers. 

JEFFERSON COUNTY:
—On September 17 a Tennessee Warbler was reported from Belmar Park.  First 
reported September 13 by Aaron Shipe.
—On September 15 a Blackpoll Warbler was reported at Belmar Park by Bez 
Bezhuidenhout.
—On September 15 Sabine’s Gulls were reported from Chatfield SP. First reported 
on September 11 by Lorraine Lanning.


LA PLATA COUNTY:
—-On September 16 an Anna’s Hummingbird was reported at Kenosha Trail, Edgemont 
Highlands by Brenda Wright and Coen Dexter.

LINCOLN COUNTY:
—-On September 14 a Buff-breasted Sandpiper was reported from Evilsizer 
Reservoir by Mark Peterson. This wetland lies between Lincoln CRs 33 & 39 and 
between CRs U & R.

MESA COUNTY:
—-On September 17 a MOURNING WARBLER was reported and banded at Connected Lakes 
Section of the James M Robb Colorado River State Park, at the Grand Valley 
Audubon Society Banding Station by Vicki Morgan.   This is a first Mesa County 
e-bird record for this species.

PHILLIPS COUNTY:
—-On September 17 a GRAY FLYCATCHER was reported at CR7 (CR20 to CR10) by David 
Suddjian.   This is a first Phillips County e-bird record for this species.

PUEBLO COUNTY:
—On September 13 Sabine’s Gull was reported at Pueblo Reservoir—Sailboard area; 
first reported September 11 by Evan Carlson.

TELLER COUNTY:
—-On September 17 a Chestnut-sided Warbler, a Northern Waterthrush and a Brown 
Thrasher were reported at Manitou Lake by David Tønnessen.  

WELD COUNTY:
—-On September 17 a Bewick’s Wren was reported at Crow Valley Campground by 
Charlie Chase.  Surprisingly this is only the 2nd Weld County e-bird record for 
this species.


Upcoming DFO Field Trips...trip details at dfobirds.org

Rueter-Hess Reservoir (Douglas Co)
Wednesday, September 18
6:45 AM - 12:00 PM
Tim Ryan & Diane Roberts (Tryan4thebirds AT yahoo.com; 720-545-5084)

First Creek at Rocky Mountain Arsenal NWR
Saturday, September 21
6:45 AM - 11:30 AM
Patrick O'Driscoll (patodrisk AT gmail.com; 303-885-6955)

Hidden Mesa Open Space - Douglas County (Pleasant View Drive Trailhead)
Sunday, September 22
6:45 AM - 12:00 PM
Chris Gilbert (chrisgee9 AT gmail.com; 804-214-1508)

Boulder County
Monday, September 23
6:30 AM - 1:00 PM
John Malenich (john.malenich AT comcast.net; 303-359-9456)


Good birding!  
Allison Hilf
Aurora, CO
Ahilf AT me.com
303.888.5110


Sent from my iPhone

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