Hi all,
At least 12 White-rumped Sandpipers currently (2:05pm 6/2/2022) continue at the Chatfield SP Marina Sandpit.
Michael Lester
Littleton
Sent from my iPhone
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Thursday, 2 June 2022
[cobirds] 3 Olive-sided Flycatchers
Hi
Just had three Olive-sided Flycatchers briefly land on a tree in our back yard in Denver before they journeyed on.
Bob Righter
Denver Colorado
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Just had three Olive-sided Flycatchers briefly land on a tree in our back yard in Denver before they journeyed on.
Bob Righter
Denver Colorado
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[cobirds] Lingering Lesser Goldfinch in west Centennial, Arapahoe County
Hello Fellow Birders,
A month ago I reported a single male Lesser Goldfinch was visiting the feeders in my little townhouse yard near Holly and Arapahoe. A month later he is still hanging around, along with this Spring's crop of Great-horned Finches.
Keep Smilin',
Kevin Corwin
west Centennial, Arapahoe County
Sent from my Remington Rand Typewriter via my Rotary Dial Wall Phone
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Wednesday, 1 June 2022
[cobirds] Pueblo birds 6/1
The first day of the summer season was pretty exciting in Pueblo. Several birders were out and about.
-- Mark Yaeger found a Purple Martin at Runyon Lake, on a telephone wire in the parking lot on the north side. Four other Pueblo birders were able to see it, before it flew south. Many photos were taken. Van Truan and I walked around the lake, after seeing the martin, and saw and heard an Alder Flycatcher on the south side of the lake, by the small pond.
Ed Landi found an adult Yellow-crowned Night-Heron at Pueblo City Park, on the island at Lake Joy. I believe this bird was seen yesterday as well, so hopefully it will hang around.
Earlier in the morning, I had the singing Red-eyed Vireo on the west side of Pueblo City Park and another one singing in the eastern part of the Osprey Picnic Area, in Rock Canyon, below Pueblo Reservoir dam. Both of these birds have been around since May. I scoped the Pueblo West Gravel Pit, there were over 20 White-rumped Sandpipers, 2 breeding plumage Horned Grebes, four Lesser Scaup, and five Hooded Mergansers.
Other migrants that should be in the mountains that were around Pueblo today: Yellow-rumped (Audubon's) Warbler, MacGillivray's Warbler, Western Tanagers, Lincoln's Sparrows, Swainson's Thrush, lots of Violet-green Swallows, among other things. Singing Willow Flycatchers were around Runyon Lake as well.
Brandon Percival
Pueblo West, CO
Pueblo West, CO
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[cobirds] Migrants, CSR, El Paso Co, Wednesday
Hey COBirders.
Nick K is right.
It was another upslope day here at Clear Spring Ranch banding - low ceiling, misty, soaked, slight SE breeze - PERFECT for migrants, especially Swainson's Thrush!
I have always closed on or before 6/1 for the season, since I wouldn't be catching any more migrants, and not wanting to bother the local breeding birds. I almost closed for the season Monday after a major blow-out at 7am, but I was still catching migrants. I returned Tuesday and thought about closing again, but caught 29 more birds - many still migrants, including flycatchers, Lincoln's Sparrows, and 3 MacGillivray's Warblers.
The forecast for today was for rain through mid-morning, so I was mostly discounting any chance of banding today. But the weatherman showed at 6:00 that the rain was ending in Fountain, so I zoomed out and opened nets at 7:00. It was wet, but immediately there were Swainson's Thrush all over the place - on the ground in the net lanes (only cleared areas in all of the dense brush), on downed logs, and bouncing off the cottonwood and Russian Olive branches. I caught 4 right away, but it seemed the dozens I saw were moving North along the creek, and soon most were gone. Then I started catching flycatchers - 6 Willow FL, and 5 W Wood-pewees, way more than expected 6/1 (eBird agrees).
About 9:30 a second wave of migrants arrived, with the woods suddenly full of Swainson's again (banded 10 more - total 14 for the day), along with Red-eyed and Warbling Vireos, MacGillivray's, Wilson's, and an Audubon's YR Warbler. ALL of these are unusual on 6/1. Of the 46 birds caught today. 5 were recaps, 3 were probable local breeders, and the other 38 were migrants!
Nobody was going in the nets at noon, so I closed FOR THE DAY, but there were still many thrush foraging on the ground when I left.
I can't open tomorrow, but plan to work Friday, maybe more, depending on how many more migrants I see. I've never had the station open this late!
BTW, unsurprisingly, I passed my spring season record with now 1250 birds this spring (450 Chipping Sparrows!!), and the last 2 days I had 75 birds!
Whew. Happy Migration (Still!)
Steve Brown
Colo Spgs
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Nick K is right.
It was another upslope day here at Clear Spring Ranch banding - low ceiling, misty, soaked, slight SE breeze - PERFECT for migrants, especially Swainson's Thrush!
I have always closed on or before 6/1 for the season, since I wouldn't be catching any more migrants, and not wanting to bother the local breeding birds. I almost closed for the season Monday after a major blow-out at 7am, but I was still catching migrants. I returned Tuesday and thought about closing again, but caught 29 more birds - many still migrants, including flycatchers, Lincoln's Sparrows, and 3 MacGillivray's Warblers.
The forecast for today was for rain through mid-morning, so I was mostly discounting any chance of banding today. But the weatherman showed at 6:00 that the rain was ending in Fountain, so I zoomed out and opened nets at 7:00. It was wet, but immediately there were Swainson's Thrush all over the place - on the ground in the net lanes (only cleared areas in all of the dense brush), on downed logs, and bouncing off the cottonwood and Russian Olive branches. I caught 4 right away, but it seemed the dozens I saw were moving North along the creek, and soon most were gone. Then I started catching flycatchers - 6 Willow FL, and 5 W Wood-pewees, way more than expected 6/1 (eBird agrees).
About 9:30 a second wave of migrants arrived, with the woods suddenly full of Swainson's again (banded 10 more - total 14 for the day), along with Red-eyed and Warbling Vireos, MacGillivray's, Wilson's, and an Audubon's YR Warbler. ALL of these are unusual on 6/1. Of the 46 birds caught today. 5 were recaps, 3 were probable local breeders, and the other 38 were migrants!
Nobody was going in the nets at noon, so I closed FOR THE DAY, but there were still many thrush foraging on the ground when I left.
I can't open tomorrow, but plan to work Friday, maybe more, depending on how many more migrants I see. I've never had the station open this late!
BTW, unsurprisingly, I passed my spring season record with now 1250 birds this spring (450 Chipping Sparrows!!), and the last 2 days I had 75 birds!
Whew. Happy Migration (Still!)
Steve Brown
Colo Spgs
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[cobirds] Spring migration ain’t over yet!
Its June but spring migration ain't over. And with the cool weather and snowy conditions at higher elevations, watch for altitudinal migrants as well as northbound migrants. Shorebirds in particular are still on the move. In Larimer County, many reservoirs have filled up reducing available habitat for migrating shorebirds. However Boyd Lake is as low as I have ever seen it, with extensive mudflats at the north and south extremes of the reservoir. The north end is more accessible via the State Park road system and bike trail on the west shore. I visited the north end yesterday evening and observed several rare species including a Snowy Plover, 10 Stilt Sandpiper and 13 White-rumped Sandpiper. Boyd Lake would be a good place to check regularly as migration winds down over the next week or so.
Nick Komar
Fort Collins CO
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Nick Komar
Fort Collins CO
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[cobirds] More fall cankerworm
As a supplement to the recent post about a fall cankerworm episode in Loveland along the Big Thompson River trail east of Wilson (thanks again to Derek Hill for pointing this out), I wanted to mention another opportunity for Fort Collins folks to see this insect a little closer to home. Just southeast of Bellvue is a small but intense infestation on a few boxelders and associated chokecherries. It is on Bingham Hill Road. About a mile west of Overland Trail, Bingham Hill Road crests the hogback and then leads downhill into the beautiful valley before curving north toward a farmstead with a huge silo. On the west side of this north-south stretch of the road bordering a huge hayfield are the defoliated boxelders and heavily chewed chokecherries. To view the caterpillars and defoliation up close requires parking at the west base of the hogback where there is a gravelly wide spot at the curve and walking a few 100 yards north to the trees.
Birds are enjoying the event and yesterday I observed eastern kingbirds, a Say's phoebe, Bullock's orioles, blue grosbeaks and lesser goldfinches feasting on the inchworms. Yellow warblers, western meadowlarks and a house wren were heard nearby and they likely visit the site, also. Bobolinks sang in the hayfield west of the caterpillar trees and I wouldn't be surprised if they feed nestlings these morsels prior to the first cutting that historically has prevented nesting success.
Eastern Kingbird feeding on fall cankerworm caterpillars in chokecherry.
Dave Leatherman
Fort Collins
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