[cobirds] Colorado Rare Bird Alert for Thursday, March 14, 2013.

Compiler:       Joyce Takamine

Date:             March 14, 2013

email:            rba AT cfobirds.org

phone:           303-659-8750

This is the Colorado Rare Bird Alert for Thursday, March 14, sponsored by Denver Field Ornithologists and the Rocky Mountain Bird Observatory.  If you are phoning in a message, you can skip the recording by pressing the star key (*) on your phone at any time.  Please leave your name, phone number, detailed directions, including county and dates for each sighting.  It would be helpful if you would spell your last name. 

Highlight species include: (* denotes that there is new information on this species in this report) 

Swan spec (Delta)

Trumpeter Swan (Weld)

Tundra Swan (Boulder, Delta, *Morgan, Weld)

Long-tailed Duck (Araphaoe/Jefferson, *Weld)

Barrow's Goldeneye (*Summit)

Red-necked Grebe (*Weld)

Crane spec (*Monte Vista)

MEW GULL (Arapahoe, *Weld)

Thayer's Gull (Arapahoe, Boulder, Denver, *Weld)

ICELAND GULL (Arapahoe)

Lesser Black-backed Gull (Arapahoe, Denver, *Weld)
Glaucous Gull (Arapahoe, *Weld)

Great Black-backed Gull (Weld)

Chihuahuan Raven (Boulder)

Varied Thrush (Larimer)

Bohemian Waxwing (Boulder, Fremont, Larimer)

Lapland Longspur (Weld)

Swamp Sparrow (Arapahoe)

White-throated Sparrow (*Morgan)

Harris's Sparrow (Boulder)

GOLDEN-CROWNED SPARROW (Boulder, Jefferson)

Rusty Blackbird (Fremont)

Gray-crowned Rosy-Finch (*Grand, *Jackson, *Pitkin, *Summit)

Black Rosy-Finch (*Grand)

PURPLE FINCH (Larimer)

Common Redpoll (*Grand, *Jackson, Jefferson,  Larimer)
HOARY REDPOLL (Bent, Grand, Larimer)

ARAPAHOE COUNTY:

--On March 8, Walbek reported the following at Cherry Creek Reservoir:  1 ad MEW GULL, 1 1-st cyc ICELAND GULL, 5 Lesser Black-backed Gulls (3 ad, 1 4th-cyc, 1 1-st cyc), 3 Glaucous Gulls (1 ad 1 4th-cyc, 1 2nd-cyc).  On March 10, Mlodinow reported the following at Cherry Creek Reservoir:  1 1st-cyc ICELAND GULL, 3 Glaucous Gulls (1 ad, 1 2nd-cyc, 1 1st-cyc), 12 Lesser Black-backed Gulls (4 ad/subad, 1 2nd-cyc, 7 1-st cyc), 12 Thayer's Gulls (4 ad, 1 2nd-cyc, 7 1st-cyc).

--A Swamp Sparrow was reported by Hudak at Centennial Park on March 5.  The bird was on the N side of oxbow lake in low shore shrubbery.

ARAPAHOE/JEFFERSON COUNTIES:

--Two Long-tailed Ducks were reported by Morris at South Platte Reservoir on March 2.  On March 6, Kibbe reported the 2 Long-tailed Ducks were on the west (Jefferson) side of South Platte Reservoir.

BENT COUNTY:

--On March 1, Linda Groat reported HOARY REDPOLL coming to her feeder in eastern Bent County.  Please contact her at towhee1 At live.com for details.  Leatherman reported that the HOARY REDPOLL was seen on March 2 by many birders.  Groat reported on March 10 that the HOARY REDPOLL continues to come to her feeder.

BOULDER COUNTY:

--9 Tundra Swans were reported by Hundertmark at Walden Ponds on March 2.  Kaempfer reported 3 Tundra Swans at Valmont Reservoir on March 2.  On March 5, Rynes reported 12 Tundra Swans at Cottonwood Marsh.  On March 6, Waltman reported 12 Tundra Swans at Walden Ponds and 12 Tundra Swans at Clover Basin Reservoir near Longmont.  On March 9, Kaempfer reported 12 Tundra Swans at Walden Ponds.

--A calling Chihuahuan Raven was reported by Hansley in Louisville on March 7.

--Kaempfer reported that the GOLDEN-CROWNED SPARROW has returned to the Teller Farm parking lot on March 9.  On March 10, Mark Miller reported GOLDEN-CROWNED SPARROW and Harris's Sparrow at the N trailhead to Teller Farm.  

--On March 12, Waltman reported 7 Bohemian Waxwings at NE end of Sage Valley Rd.  Directions:  Take US 36 north out of Boulder towards Lyons, before Lefthand Canyon Dr, turn right (East) on Plateau Rd.  Sage Valley is first left (North) turn.  

DELTA COUNTY:

--8 Tundra Swans were reported by Horn at Fruitgrowers Reservoir (also know as Hart's Basin) on March 5.  On March 6, Fenton

looked for the Tundra Swans at Fruitgrowers Reservoir but did not find them.  But she found 8 Tundra Swans on a pond across G50 Rd from Escalante SWA, Hamilton tract on March 6.  On March 10, Rick Harner reported 2 swans at Hart's Basin.  On March 10, Robinsong reported a swan at Escalante SWA at G50 Rd.  On March 11, Robinsong reported 2 swans at Fruitgrowers Reservoir.

On March 12, Horn reported 3 Tundra Swans at Hart's Basin.

DENVER COUNTY:

--At Marston Reservoir on March 12, Tina Jones reported 1 ad Lesser Black-backed Gull, and 2 Thayer's Gulls (1 ad, 1 1-st cyc).

FREMONT COUNTY:

--Moss reported Bohemian Waxwings feeding on insects at Holcim Wetlands on March 6.  Early on March 7 Percival briefly refound the

Bohemian Waxwings near the Arkansas River on N side of wetlands.  Later on March 7 Moss found 2 Bohemian Waxwings feedng on Russian Olives off the trail.  On March 9, Chartier found 1 Bohemian Waxwing on the N side at Holcim Wetlands.

--A Rusty Blackbird was reported by Hinds at Holcim Wetlands on March 8.

GRAND COUNTY:

--In Kremmling on March 12, Filby reported 10 Gray-crowned Rosy-Finches, 1 Black Rosy-Finch, and 25 Common Redpolls.

--At a subdivision by CO 9 at S end of county (entrance road is named Spring Creek Road) 100+ Rosy-Finches including at least 5 Brown-capped.

JACKSON COUNTY:

--At Moose Visitor Center near Gould on March 5, Leatherman reported 25+ Gray-crowned Rosy-Finches including both normal and Hepburn's.  

--In Walden at the feeders just W of the old school, Leatherman reported at least 75 Common Redpolls on March 5.

--In Walden on March 12, Filby reported 60 Common Redpolls and 10 Gray-crowned Rosy-Finches.

JEFFERSON COUNTY:

-- The GOLDEN-CROWNED SPARROW at the Red Rocks Trading Post, first reported by Henwood on Oct 26 and present all winter, was seen again on March 11 by Henwood.

--Common Redpolls were reported by Commercon on the East Ridge of the Dinosur Ridge Hawk Watch on March 10.

LARIMER COUNTY:

--The flock of redpolls continues to be seen behind the Discovery Museum in Fort Colllins, located at Cherry and Mason St which is the NW corner of College and Cherry.   Tina Jones reported on March 10 that 23 redpolls including one HOARY continue behind the Discovery Museum.

--A m PURPLE FINCH was reported by Sean Walters on the Larimer Campus of Front Range Community College on March 11.

--A Varied Thrush has been visiting the back yard feeders of Ken Allen in Fort Collins since Jan 20.  His address is 1710 Ticonderoga Dr.  Please call first home:  970-225-0988  or cell:  970-443-8093.  

--A mixed flock of waxwings was reported by Gaines by US Bank in Loveland on Buchanan Ave and 29th on March 12.  There were a few Bohemians with the Cedar Waxwings.

MORGAN COUNTY:

--A Tundra Swan was reported by Mlodinow at Jackson Reservoir on March 13.  It is best viewed from the SWA on the N side.

--4 White-throated Sparrows were reported by Mlodinow near the intersection of Bijou Creek and the South Platte River near Fort Morgan on March 13.

MONTE VISTA COUNTY:

A "white" crane with black wing tips was reported by Rawinski at Monte Vista NWR on March 6 and continues through

March 10.  It is possibly a leucistic Lesser Sandhill Crane or possible hybrid.  To see the bird go to turnouts on Hwy 15 or 8S Road on the refuge

PITKIN COUNTY:

--At Snowmass on March 13, Filby reported 50 Brown-capped Rosy-Finches and 2 Gray-crowned Rosy-Finches.

SUMMIT COUNTY:

--At Silverthorne on March 12, Filby reported 15 Barrow's Goldeneyes and 150+ Rosy-Finches.

WELD COUNTY:

--2 Red-necked Grebes were reported by Sheeter at Firestone Gravel pits on the pond closest to Hwy 119 on March 1.  Keirn refound the 2 Red-necked Grebes at Firestone Gravel pits on March 13.

--Mlodinow reported on March 5 that the Long-tailed Duck continues at Frederick Rec Area.  Kibbe relocated the Long-tailed Duck at Frederick Rec Area on March 12.

--An ad Thayer's Gull was reported by Dowell at Union Reservoir on March 6.  Mlodinow reported an ad Thayer's Gull at Union Reservoir on March 10.

--A 2nd-cyc Thayer's Gull was reported by Dowell at St Vrain SP on March 6.

--At Windsor Lake on March 7, Mlodinow reported imm Lesser Black-backed Gull and Thayer's Gull.

--15 Tundra Swans and 1 Trumpeter Swan were reported by Wild in Nunn on March 11.  The location is on CR 108 between CR 31 and CR 33.  On March 12, Leatherman reported 16 Tundra Swans at the pond N of Nunn and he heard Lapland Longspurs while viewing the swans on CR 108 E of CR 31.

--At Black Hollow Reservoir on March 12, Komar reported an ad Lesser Black-backed Gull, 1 sub ad Great Black-backed Gull, and

1 mystery Gull.  At Black Hollow Reservoir on March 13, Mlodinow reported 5 Lesser Black-backed Gulls (3 ad, 1 sub ad, 1 1-st cyc), 1 ad Thayer's Gull, 1 ad MEW GULL, and 1 ad Glaucous Gull.

The DFO Field Trip for Saturday, March 16 will be to Walden Ponds in  Boulder led by Paula Hansley (H: 720-890-2628, C:303-912-2341).  Meet the leader at 0800 at Cottonwood Marsh parking lot at Walden Ponds in Boulder County.  Bird until about 11:00.  Walden is accessed from a short road which goes west from 75th St 0.9 mi north of Valmont Rd.  Will look at ducks and early migrants on ponds and in woods in both Walden and Sawhill areas.  Will look for Dippers and other birds along  Boulder Creek near 75th St.  Bring a scope if you have one, along with snacks, water, and warm clothes.

The DFO Field Trip for Sunday, March 17 will be to Cherry Creek State Park led by Cheryl Teuton and Dan Brooke (303-912-2341).  Meet the leaders at the west side marina at 0800.  From I-225 and Yosemite, go S on Yosemite to Union Ave and turn E onto Union, go

by Cherry Creek High School and follow Union to the park entrance, then take W Lake View Rd to the marina.  State Parks pass and $3 fee required.  This trip will be mostly driving but there will be some walking on level trails.  Bring a lunch and after lunch there will be a walk at Twelve Mile picnic area.

Good Birding,

Joyce Takamine

Boulder

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