[cobirds] Bird Conservancy of the Rockies - Chatfield Banding Station, 5/21/21

[Meredith McBurney]

Although the wind caused us to close and then reopen various nets over the 
course of the morning, we finally had a sort of normal day for spring 
banding, just really late.  We had 4 FOS birds (Western Wood-Pewee, 2 
species of Empidonax Flycatchers, Swainson's Thrush) all of which would 
normally start arriving 2 weeks ago.  Yellow Warblers and Catbirds 
dominated the morning, as is typical for us during much of the spring.  

We did have a rarity - our first ever Black-throated Blue Warbler.  A 
lovely adult female, she looked exactly like the picture in the Sibley's 
Guide!

Here's the breakdown of the 26 new birds caught today:

Western Wood-Pewee 1
WIllow Flycatcher 1
Dusky Flycatcher 1
Cordilleran Flycatcher 1
Swainson's Thrush 1
Gray Catbird 5
Yellow Warbler 9 new, 1 banded 2019
Black-throated Blue Warbler
McGillivray's Warbler 1
Wilson's Warbler 1
Yellow-breasted Chat 2
Lesser Goldfinch 1

We are open six days per week (closed Tuesdays) through May 30, weather 
permitting.  While some COVID related restrictions remain in place there 
are opportunities most mornings for the public to visit, but reservations 
are required. Visit https://denveraudubon.org/events/ 

 for 
more information and to sign-up.  Because each hour-long session is limited 
to 10 people, we anticipate selling out most mornings, so register soon if 
you are interested.

Meredith McBurney
Bander, Chatfield Station
Bird Conservancy of the Rockies

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[cobirds] Boulder county

['William Fink' via Colorado Birds]

A somewhat late Broad-winged hawk was present northwest of the South Mesa 
trailhead this afternoon-5-21-21.  Good birding!  Bill Fink Longmont 

Sent from my iPhone

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[cobirds] Magnolia Warblers, Matthews-Reeser Bird Scantuary, Estes Park, Larimer Co. 5/21

['Jim Nelson' via Colorado Birds]

Enjoying our first visit to Colorado in 18 months, it's been nice to get back 
to birding in the Estes Park area.
I was birding later in the afternon today, May 21, in the Matthews-Reeser 
Sanctuary at Lake Estes.  It was slow for a while, then, as often happens, a 
flurry of activity at the place where there is a break in the rail fence to 
allow access to the golf course.  I suddenly realized I was seeing two Magnolia 
Warblers, a male and a female moving around, both in the area behind the fence 
east of the cut-through and then across the paved trail into the area I think 
is referred to locally as "pine point."  I remember seeing a couple of 
sightings reported a few days ago on the eBird rare bird alert, and another 
birder told me yesterday, when I was also birding at this location, that they 
had been seen yesterday morning.  I tried checking eBird for the most recent 
sightings just now, but it is balky.
In any event, given their rarity, these may be continuing birds from the 
earlier reports.  Since at least one was still around about 4:15 as I walked 
back to my car, and this does not appear to be a good night for migrating, I 
think one or both may be around tomorrow as well.
Other highlights of our visit over the last two days including an amazing 
fallout of Yellow-rumped Warblers at Lily Lake in Rocky Mountain National Park 
this morning, literally dozens of birds in view a the same time as we walked 
around the lake, seeing the nesting Osprey pair at Lake Estes with the male 
aggressively attacking a Turkey Vulture yesterday, a tom Turkey standing on 
Bear Lake Raoad in RMNP last evening displaying to two hens feeding on the 
other side of the road, ignoring the stopping cars, and Great Horned Owls with 
nestlings in the same tree on the west side of Estes Park where I last saw them 
two years ago (pre-pandemic).  While birding this afternoon at Lake Estes, I 
met a visiting birder from Paraguay who was seeing many species for the first 
time.  Always fun to share that experience as I got to show him some local 
birds and help him with names.
Looking forward to more great birds in the coming days
Jim NelsonBethesda, Maryland

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[cobirds] Rose-breasted Grosbeak - Wheat Ridge - Jeffco

[Ira Sanders]

Birders
Patty Ecklemeyer called me to say she had a RBGR at her feeder along with
several Western Tanagers and birders are welcome to come and visit.
Her address is: 2695 Newland, Wheat Ridge.

-- 
Ira Sanders
Golden, CO
"My mind is a raging torrent flooded with rivulets of thought cascading
into a waterfall of creative alternatives."

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[cobirds] Bird Conservancy of the Rockies - Chico Basin Ranch Banding Report 5/21

[Colin Woolley]

Today started off very busy, we had ~20 birds in the first hour and were on 
pace for our busiest day of the season. Well, over the next 4 hours things 
slowed down considerably and we ended the day with 32 newly banded birds of 
18 species. Still a fine day, and it seems there was a lot of turnover 
overnight, with no recaps of previously banded birds (no Kentucky Warbler 
seen/netted either). We had great diversity in the area, my ebird checklist 
for the morning topped 50 species for the first time this season. Here are 
our totals:

Willow Flycatcher - 1
House Wren - 1
Rock Wren - 1
Yellow Warbler - 2
Wilson's Warbler - 1
Orange-crowned Warbler - 1
Audubon's Yellow-rumped Warbler - 1
Common Yellowthroat - 2
MacGillivray's Warbler - 7
Ovenbird - 1
Lincoln's Sparrow - 2
Hermit Thrush - 2
Swainson's Thrush - 1
Yellow-breasted Chat - 1
Gray Catbird - 3
Bullock's Oriole - 3
Northern Mockingbird - 1
Brown Thrasher - 1

We are open 3 days per week (Friday - Sunday) through May 30th. Chico Basin 
Ranch is once again open to the public and visitors are welcome at the 
banding station, click here 
 for more 
details on visiting. We are opening nets at about 5:30am and continuing for 
5 hours, depending on weather. 

Colin Woolley
Bird Conservancy of the Rockies


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[cobirds] Bobolinks in Cherry Creek State Park

[Gary Brower]

CoBirders,

A week ago, several birders recorded Bobolinks in Cherry Creek State Park (via 
eBird). Unless you had alerts set for Arapahoe County or Colorado, you may not 
have seen the reports.

I went out this morning and found at least one (although some of the prior 
reports reported more). The individual I saw was just east (50 feet or so) of 
the Lone Tree Pond at the south-west end of the park. It was perched on some 
mullen in a patch of rabbit bush. It was clearly a bobolink — gold patch on the 
back of the neck and upper shoulders, white on the wings. Much smaller than the 
numerous red-winged blackbirds and grackles (including Great-tailed). (This 
area is near where the Dickcissels were found last year, but to the south by 
several hundred yards).

According to eBird, bobolinks are “rare” in the park, having been reported in 
only four individual weeks in the last 10 years (the second and third weeks of 
May, and the second and fourth in June).

Happy birding!

Gary Brower
Unincorporated Arapahoe County

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[cobirds] Red-Headed Woodpecker in Conifer

[Carolyn]

Pleased to report a 1st ever sighting in our yard of a red-headed 
woodpecker - adult.  Unknown if male/female - unable to find info on 
distinguishing between the two? Human husband remarked "that bird looks 
chubby" which I quickly admonished with "birds don't get fat!!" but then 
wondered if it could be a pregnant female seeking a nesting site? This one 
flew-hopped from tree to tree, taking time on each (mostly pine types, some 
juniper, some fir), not necessarily pecking and without haste seemed to 
also be checking out our few birdhouses and bird / squirrel / nature-made 
"condos" in the few deadened trees we have perhaps conducting a general 
survey? We are approximately 9K feet, west of Aspen Park.

Carolyn Leahey,
Conifer, CO

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[cobirds] Joe Roller Memorial Green Big Day report

[Scott Somershoe]

All,
The long overdue report on our green big day linked below. Note that Chris
Rurik wrote this, which is why it's so good. :)
https://jrmemorialgreenbigyear.blogspot.com/2021/05/joe-roller-memorial-green-big-day-report.html


I'll note that we missed Canyon Wren (which has become my Green nemesis)
and I missed them AGAIN this morning.

Green Big Year species list: 218 (as of May 21)
Miles ridden:1180 miles (as of May 21)
# of rides with a frozen water bottle and broken shifter: 1
# of water bottles dropped at a stop light: 1
# of trips to Chatfield State Park:17
# of times I've randomly run into Jim and Kathy Schmoker: at least 4
2021 Joe Roller Memorial Green Big Year Species List



It's never too late to pledge or donate to the Green Big Year!
https://cobirds.org/CFO/Grants/

Thanks!
Scott Somershoe
Littleton, CO

Joe Roller Memorial Green Big Year 2021 blog


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[cobirds] Banding at CSR, El Paso Co, Fri

[Steven Brown]

Hey COBirders,

The last three days have been pretty good for numbers at Clear Spring Ranch 
banding, at least better than all spring.
31 birds banded Friday, 19 on Thursday, 24 on Wednesday. My best three-day 
stretch this spring.

Lots of bigger birds moving this week, with flocks of W Tanagers, lots of 
Bullock’s and Orchard Orioles, a smattering of warblers, and finally some 
flycatchers.

Best on Wed - N Waterthrush, 8 Yellow Warblers, a Wilson’s Warbler (I don’t get 
many in the spring), 2 Bullock’s Orioles and 2 Orchard Orioles.

Best on Thurs - FOY Alder Flycatcher, Dusky Flycatcher, Warbling Vireo, a VERY 
LATE Ruby-crowned Kinglet, imm F, 4 YB Chats, a MacGillivray’s Warbler (only my 
second), another Orchard Oriole, 2 Black-headed Grosbeaks, and FOY 2 Blue 
Grosbeaks.

Best on Fri - FOY W Wood Pewee, 2 Willow Flycatchers, another Warbling Vireo, 2 
Brown Thrashers, my first Lincoln’s Sparrow since 4/29 (!!), another N 
Waterthrush, 7 Yellow Warblers, another Wilson’s Warbler, 3 more Bullock’s 
Orioles, another Orchard Oriole, and a 3rd Blue Grosbeak.

3 of the chats, one catbird, and 5 Yellow Warblers are returns form previous 
years, finding their way back.

Unusual sightings (un-banded) include Friday a Snow Goose (!) with a flock of 
Canadas at dawn, and promptly departed, and a Sage Thrasher along the road to 
my site.

Have a good weekend,
Steve Brown
Colo Spgs.

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[cobirds] Little Blue Heron at Walden Ponds Boulder County

[Lonny Frye]

There was a lovely Little Blue Heron at the Cottonwood Pond at Walden Ponds 
this morning. It was on an island and then circled the pond before landing 
in the far corner by the treatment plant. There was also a lovely male 
Orchard Oriole near the west side. The warbling vireos, common 
yellowthroats and eastern kingbirds are back and plentiful.
lovely day for a walk.
Lonny Frye

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