Saturday, 16 March 2024

Re: [cobirds] Re: Yard list questions: How many of CO's 520 species have been seen (or heard) from a yard?

Good morning Thomas - In my yard, located on the north side of Green Mountain in Lakewood, I have seen 133 species.  By far the most notable was a bronzed cowbird.  This bird appeared at a neighbor's feeders in June of 1990, and stayed at that location (about a mile from my house) long enough for many birders to see it.  To my surprise, one morning it showed up at my feeders, but did not linger long.  Other birds that are unusual, either because of season or geography, included juniper titmouse, band-tailed pigeon (which I found roosting on my back step on a frigid winter morning), orchard oriole, canyon wren, common poorwill, purple finch, red crossbill, all three rosy-finches, northern shrike, red-naped sapsucker, eastern screech/northern pygmy/saw-whet owls, indigo bunting, Carolina wren, brown thrasher and summer tanager.
The most interesting event observed in the yard was a northern shrike killing a rosy-finch and stashing it in a lilac bush.

Thanks for the interesting project!

Norm Lewis
Lakewood 

On Saturday, March 16, 2024 at 08:33:54 AM MDT, Thomas Heinrich <teheinrich@gmail.com> wrote:


Hi all,
Another quick update on the lists. In addition to the 350 species on Google list that Bryan has set up, I have another 26 species from birders who have sent lists directly to me.

So the current total # of species:  376 

Getting close to 400!

I hope to have the list I'm compiling wrapped up this weekend and off to Bryan to merge with his Google sheet. The list will include names and counties. Please let me know if you would prefer to remain anonymous. Also, if there is a particular species (or couple of species) that you ticked off on Bryan's list that you would like to have your name next to on the new list, please let me know. I'll be attempting to include all who have contributed to the list in an equitable way. 

Thanks again to all who have shared and contributed,

Thomas 

On Mon, Mar 11, 2024 at 10:40 AM Thomas Heinrich <teheinrich@gmail.com> wrote:
Hi all,

Every now and then one of us will share the excitement of adding a rarity or new species to a yard list, report yard list totals, or comment on local trends. And some of the lists, and variety of species, are really impressive (e.g. David Suddjian's, Gary Lefko's). 

Yellow Grosbeak, Pyrrhuloxia, Streak-backed Oriole, Long-billed Thrasher, Costa's Hummingbird, Laurence's Goldfinch, and even Anhinga come to mind as rarities that have shown up in or been observed from yards. (Perhaps the recent Brambling, too?)

As a pretty obsessive yard lister (i.e. binocs always on, camera ready when outdoors, much of the time indoors too), I often wonder about others' experience with yard-listing. 

How long have you been keeping your list?
What's your style of yard listing: casual, mainly feeder watching, moderate, dedicated, obsessed?
How many species?
Rarest, or favorite species?
Most memorable experience?
Location/habitat: urban, suburban, rural, etc?

And the big question: if we tallied up all our yard lists, how close to Colorado's 520 species could we get?

It seems likely that certain families would be less well-represented; shorebirds, waterfowl, and gulls, for example. But with neighborhoods lining bodies of water such as Boyd Lake, Lake Loveland, Marston Reservoir, Jackson Lake, and MacIntosh Lake (in Boulder), among many others, many of those species theoretically could have been counted on a yard list. Maybe some lucky person living on the shores of Boyd Lake has Long-tailed Jaeger, Slaty-backed Gull, and Garganey on their yard list!

Wishing all good health, good birding, and an exciting Spring migration!

--Thomas Heinrich


My answers to the questions above:
15 years
Dedicated to obsessive 
152 species
Wood Thrush, Yellow-throated Warbler, N Cardinal, Common Redpoll, Bohemian Waxwing
Watching spring raptor migration from the roof-top, 35 Broad-winged Hawks among 130 raptors of 10 species on one high-flow day (4/18/2020)
Interface between suburban and open space, base of foothills, el. 5600'


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