Re: [cobirds] late warblers in CO

ussion on the web visit > https://groups.google.com/d/msgid/cobirds/PH7PR12MB73541D62E2884320851D1341C1179%40PH7PR12MB7354.namprd12.prod.outlook.com > <https://groups.google.com/d/msgid/cobirds/PH7PR12MB73541D62E2884320851D1341C1179%40PH7PR12MB7354.namprd12.prod.outlook.com?utm_medium=email_sou

[cobirds] New bird migration website

www.birdmigrationexplorer.org <https://explorer.audubon.org/home?threatOverlay=expand> Some background: https://www.cbc.ca/news/canada/north/bird-migration-1.6584215 -- Willem van Vliet-- Boulder -- -- You received this message because you are subscribed to the Google Groups "Col

[cobirds] Northern cardinal, Boulder still present this morning

The Northern cardinal showed himself and briefly sang on the n-w side of Kalmia/22nd St. before flying over to a backyard btwn Kalmia and Linden this morning at 10:45. https://ebird.org/checklist/S106802205 -- Willem van Vliet-- -- -- You received this message because you are subscribed

[cobirds] Bushtit question

A small flock of bushtits visited our yard yesterday. It was just 5F. When not feeding, they huddled closely together to keep warm, at times in regular head-tail-head-tail order (https://ebird.org/checklist/S103608720 ). I could not detect if there was a pecking order and wonder if they rotate

[cobirds] Field sparrow Boulder

Late yesterday afternoon and a few times today, a field sparrow momentarily visited our yard in central Boulder, foraging restlessly under a seed feeder. Grainy photos on https://ebird.org/checklist/S96412623. -- Willem van Vliet-- Boulder -- -- You received this message because you

[cobirds] Boulder Bird City?

A former colleague and bird watcher is interested in doing a CU class project in support of making Boulder a Bird City. To avoid duplication of effort, let me know, please, if you are aware of any steps already taken in the qualification process. Thank you, Willem -- Willem van Vliet

Re: [cobirds] unusual Mallard behavior?

n on the web visit > https://groups.google.com/d/msgid/cobirds/ce11439b-d7ea-ea7e-6fee-531e17595c6b%40gmail.com > . > -- Willem van Vliet-- Professor Emeritus Fellow, Community Engagement, Design and Research Center University of Colorado at Boulder -- -- You received this mess

Re: [cobirds] Re: Changing Common Names of birds; example, Steller’s Jay

birds.org/CFO/Membership/ > --- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to cobirds+unsubscr...@googlegroups.com. > To vie

Re: [cobirds] Vesper Sparrow, Larimer Cty.

*How Do Birds Survive The Winter?* by Bernd Heinrich (with beautiful illustrations by Megan Bishop. Worth reading. https://www.allaboutbirds.org/news/how-do-birds-survive-the-winter/#:~:text=Black%2Dcapped%20Chickadees.-,Black%2DCapped%20Chickadees,blocks%20of%20ice%20in%20seconds . Willem van

Re: [cobirds] Changing Common Names of birds; example, Steller’s Jay

, to describe and respect their relationships to us and the wider ecosystem, often incorporated in stories (e.g., Steller’s jays hopping up trees to see danger better). Willem van Vliet Boulder On Fri, Apr 16, 2021 at 10:56 AM 'Hugh Kingery' via Colorado Birds < cobirds@googlegroups.com> wrote: &g

[cobirds] Loggerhead shrike, Boulder

falling, including small flocks of pelicans and robins, arriving steadily at irregular intervals, and five Wilson's phalaropes. https://ebird.org/checklist/S85627487 Willem van Vliet- Boulder -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds&q

[cobirds] Red-naped sapsucker, Boulder

This morning I saw a red-naped sapsucker at Boulder's Community Garden, s-e corner. https://ebird.org/checklist/S84289325. Thanks to David Tonnessen for help with the ID. Willem van Vliet-- Boulder -- -- You received this message because you are subscribed to the Google Groups

[cobirds] Re: So Long McCown's Longspur, Hello Thick-billed Longspur

For delightful and informative coverage of the origin of bird names, see "Mrs. Moreau's Warbler" by Stephen Moss. He wraps erudite sources into engaging stories showing that how we name birds tells as much or more about ourselves as about the birds we baptize. Willem van Vliet

[cobirds] Question about song of Colorado white-throated sparrows

is a facilitating factor ( https://www.cell.com/current-biology/pdf/S0960-9822(20)30771-5.pdf?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0960982220307715%3Fshowall%3Dtrue ). Is there any information on how white-throated sparrows in Colorado fit into this trend? Willem van

[cobirds] Dawn chorus project

Share your recorded bird songs. Last day to submit to the Dawn Chorus Project: https://dawn-chorus.org/en/ Would be nice to have Colorado data included. Willem van Vliet Boulder -- You received this message because you are subscribed to the Google Groups "Colorado Birds&q

[cobirds] FOS Lazuli bunting, Central Boulder

Male in full breeding plumage. FOS for this location in past years ranged between May 1 (2016) and May 7 (2019). Willem van Vliet-- Boulder -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop

[cobirds] Re: 3 Broad-winged Hawks, Boulder, 4/18

One broad-winged hawk at 16:15, initially readily identifiable and then soaring above the Flagstaff amphitheatre to a very great height till I could barely make out its silhouette (with 10x42 binos). Willem van Vliet-- Boulder On Saturday, April 18, 2020 at 4:52:26 PM UTC-6, Robert Raker wrote