[cobirds] Bird Conservancy of the Rockies - Barr Banding Report, Aug 25 & 26

[meredith]

Rained out on 8/25 (Fri) after 1 run, catching 1 Warbling Vireo.  I was 
hoping for a cooler and busier day on Saturday - got the cooler but not the 
more birds.  Only banded 13 new birds, plus recaught 3 others banded 
earlier in the week.  Here are the new ones: 

Red-breasted Nuthatch 1
Orange-crowned Warbler 1
Yellow Warbler 8
Wilson's Warbler 2
Chipping Sparrow 1

A quick comparison with last year after four days (last year we had banded 
203 birds, this year 83), and the big difference is in our summer residents 
- last year we had captured 115 Yellow Warblers, compared with 57 this 
year.  And, for House Wrens, last year we had 48, and this year only 3.  We 
attribute much of these reductions to the habitat - too much lake water up 
to high for too long.  (I should note, as mentioned in previous posts, that 
we have only had part of the station open because of the high water, but 
the nets where we catch the majority of the Wrens and Yellows are the ones 
that we had up from the beginning this season.)

The balance of the banding station is finally dry and we were able to get 
most of the rest of the nets up today.  Should be operating at full 
capacity next week!

Opportunities to visit include one-hour slots (up to 15 visitors at a time) 
from 7:30-8:30 most weekday mornings (Tues-Fri, we are closed on Mon) and 
8, 9 , and 10 a.m. one-hour time slots on the weekends.  Click here 

 
to make a reservation.  We look forward to seeing many of you this season!

Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies




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[cobirds] Fall Count - Sept. 9-10

['Hugh Kingery' via Colorado Birds]

We will hold our annual Fall Count the weekend of Sept. 9-10 (some trips on 
Sept. 8). As it has since 1972 (the past 50 years), we will offer trips to 7 or 
8 Metro area sites. Details later -- the leaders still have some times & dates 
to settle on. 

Hugh 

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Re: [cobirds] Marauding Magpies and Bad Boy Blue Jays in west Centennial, Arapahoe County

[Patrick O'Driscoll]

Hey Kevin --
Here in east-central Denver, a mile SE of Denver City Park and 2 doors down
from East Colfax, we had a flock of 45 magpies foraging up and down my
block all day two weeks ago, and about 4 of them have continued to visit in
or around my yard since then.
I assume many of them came from City Park, where summer dozens of parents
and offspring (many big nests in old trees) have suddenly gone scarce.

Meanwhile, the one or two Blue Jays that have visited my yard on and off
over the past month suddenly became 7 yesterday, and they and the magpies
spent a lot of time jockeying for my suet feeder, seed platform and peanut
wreath then and again today.
A regular pair of flickers, 3-6 chickadees, two collared doves and
several House Finches have paid their feeder visits whenever they can,
between scrums by the corvids.

Speaking of which, we always have a few crows around; lately there's a
noisy early-morning meetup of 6-16 atop a tall cottonwood down the back
alley.
Come winter, we'll have hundreds flying west overhead near sunset, heading
for roosts close to and sometimes IN downtown.
And some days from winter into spring, I'll get as many as 30-40 right in
the yard earlier in the day, usually aiming for the peanuts.

Patrick O'Driscoll
Denver, Hale neighborhood


On Sat, Aug 26, 2023 at 12:36 PM Mel Goff  wrote:

> We have been having flocks of 30-75 Black-billed Magpies fly over our
> house every evening in the hour before sunset. One night we counted almost
> 100. We have also noticed that our neighborhood American Crows are not
> around right now.
>
> On a brighter note, we have a mob of Bushtits that descend on our suet,
> usually twice a day. Being as small as they are, they cannot go through a
> brick very quickly.
>
> Mel Goff
> Colorado Springs, El Paso County
>
>
> On 08/26/2023 11:39 AM MDT kevygudguy via Colorado Birds <
> cobirds@googlegroups.com> wrote:
>
>
> Hello Fellow Birders,
>
>Paula Hansley's recent post about a flock of Bushtits chirping and
> chipping at her suet prompts me to report on a phenomenon I've not seen
> before in my little townhouse yard near Holly & Arapahoe in west Centennial.
>
>In the past month or so gangs of 30+ Black-billed Magpies and 24+ Blue
> Jays have taken over my yard, demolishing a brick of suet in an hour or
> less and terrorizing the smaller birds (except the male Broad-tailed
> Hummingbird who continues to patrol the hummer feeder and isn't afraid of
> anyone).  I finally stopped putting out suet because it takes me a couple
> of hours to make a batch of 6 bricks and I was starting to feel like
> Sisyphus.
>
>   I've had both species coming to my yard over the years, but never before
> in such large flocks.  I'm also seeing them foraging in the lawns around
> here, I'm hoping they're looking for the Japanese Beetles & their grubs
> which have also shown up here in abundance this summer.  Another
> interesting note is that the small murder of American Crows that usually is
> in the neighborhood has not been around lately.
>
> Keep Smilin',
> Kevin Corwin
> west Centennial, Arapahoe County
>
> Sent from my Remington Rand Typewriter via my Rotary Dial Wall Phone
>
>
>
>
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[cobirds] 4th Annual Labor Day Circum-Lake-ation

[Gary Brower]

All, 

Once again, I’ll be birding around Cherry Creek Reservoir on Labor Day 
(September 4). I’ll start at the Tower Loop at about 6:30am and will work 
clockwise around the Lake. We have generally finished around 2:00 - 2:30. The 
entire walk is about 12 miles. As in the past, I hope to have someone meet us 
at the 12-mile Lot who can ferry folks back to the Tower Loop, should they 
decide not to do the whole circuit.

There are a couple of challenges this year, as a result of the flooding that 
affected the park. First, the road that connects the east and west sides of 
Cherry Creek State Park is still cut, so entry to the park (i.e., to get the 
Tower Loop) must be from the Parker Road (i.e., east) entrance. Second, we will 
cross Cherry Creek at the far south end of the park—but that’s the point of 
“no-return”, as the east-west cross-park trails are closed between that 
southern-most bridge and the face of the dam. 

The current weather forecast is for high temps in the mid-to-upper 80’s . . . a 
lot cooler than last year!

If you have any questions, let me know!

Gary Brower
Unincorporated Arapahoe County

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[cobirds] Small invasion of red breasted nuthatches, Niwot

[elena]

I have resident white breasted nuthatches, year round. The red breasted 
nuthatches come and go, and this morning there were quite a number based on the 
calling. A few came out to the suet, so I put more out. The bushtits come 
through at least once a day, and some spiffy American goldfinches have been 
singing up a storm. Just some fall notes from Niwot. 

Sent from my iPhone
Elena Holly Klaver
Federally Certified Court Interpreter
Conference Interpreter
English <> Spanish
303 475 5189

Member: American Translators Association
Colorado Translators Association 
Pronouns: she, her, hers

I acknowledge that I live in the territory of Hinóno’éí (Arapaho), Cheyenne and 
Ute Nations, according to the 1851 Treaty of Fort Laramie, and that Colorado’s 
Front Range is home to many Native peoples. Reconozco que vivo en el territorio 
de las naciones Hinóno’éí (Arapaho), Cheyenne y Ute, según el Tratado de Fort 
Laramie en 1851, y que el estado de Colorado al esté de las Montañas Rocosas es 
territorio de muchos pueblos indígenas. 

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Re: [cobirds] Marauding Magpies and Bad Boy Blue Jays in west Centennial, Arapahoe County

[Mel Goff]

We have been having flocks of 30-75 Black-billed Magpies fly over our house 
every evening in the hour before sunset. One night we counted almost 100. We 
have also noticed that our neighborhood American Crows are not around right now.
 
On a brighter note, we have a mob of Bushtits that descend on our suet, usually 
twice a day. Being as small as they are, they cannot go through a brick very 
quickly.
 
Mel Goff
Colorado Springs, El Paso County
 

> On 08/26/2023 11:39 AM MDT kevygudguy via Colorado Birds 
>  wrote:
>  
>  
> Hello Fellow Birders,
>  
>Paula Hansley's recent post about a flock of Bushtits chirping and 
> chipping at her suet prompts me to report on a phenomenon I've not seen 
> before in my little townhouse yard near Holly & Arapahoe in west Centennial.
>  
>In the past month or so gangs of 30+ Black-billed Magpies and 24+ Blue 
> Jays have taken over my yard, demolishing a brick of suet in an hour or less 
> and terrorizing the smaller birds (except the male Broad-tailed Hummingbird 
> who continues to patrol the hummer feeder and isn't afraid of anyone).  I 
> finally stopped putting out suet because it takes me a couple of hours to 
> make a batch of 6 bricks and I was starting to feel like Sisyphus.
>  
>   I've had both species coming to my yard over the years, but never before in 
> such large flocks.  I'm also seeing them foraging in the lawns around here, 
> I'm hoping they're looking for the Japanese Beetles & their grubs which have 
> also shown up here in abundance this summer.  Another interesting note is 
> that the small murder of American Crows that usually is in the neighborhood 
> has not been around lately.
> 
> Keep Smilin',
> Kevin Corwin
> west Centennial, Arapahoe County
>  
> Sent from my Remington Rand Typewriter via my Rotary Dial Wall Phone
>  
>  
> 
>  
> 
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[cobirds] Marauding Magpies and Bad Boy Blue Jays in west Centennial, Arapahoe County

[kevygudguy via Colorado Birds]

Hello Fellow Birders,
    Paula Hansley's recent post about a flock of Bushtits chirping and chipping 
at her suet prompts me to report on a phenomenon I've not seen before in my 
little townhouse yard near Holly & Arapahoe in west Centennial.    In the past 
month or so gangs of 30+ Black-billed Magpies and 24+ Blue Jays have taken over 
my yard, demolishing a brick of suet in an hour or less and terrorizing the 
smaller birds (except the male Broad-tailed Hummingbird who continues to patrol 
the hummer feeder and isn't afraid of anyone).  I finally stopped putting out 
suet because it takes me a couple of hours to make a batch of 6 bricks and I 
was starting to feel like Sisyphus.   I've had both species coming to my yard 
over the years, but never before in such large flocks.  I'm also seeing them 
foraging in the lawns around here, I'm hoping they're looking for the Japanese 
Beetles & their grubs which have also shown up here in abundance this summer.  
Another interesting note is that the small murder of American Crows that 
usually is in the neighborhood has not been around lately.
Keep Smilin',Kevin Corwinwest Centennial, Arapahoe County Sent from my 
Remington Rand Typewriter via my Rotary Dial Wall Phone  

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Re: [cobirds] Bird ID help request

[Bill Kosar]

Thanks for all of the replies on my bird ID question. The results were:

Bird #1   5 people thought it was an orchard oriole, 2 a goldfinch and 1 a 
female western tanager. Another picture that I did not post shows the wing 
stripes of the oriole so I think this ID is correct.
Bird #2   Everyone agreed it is a pine siskin
Bird #3   Everyone (except me initially!) agreed it was a rufous 
hummingbird, probably juvenile. After a little more research I also agree 
with this ID

Thanks for all of the responses!

Bill
El Paso county

On Friday, August 25, 2023 at 4:25:03 PM UTC-6 TLM wrote:

> For me:
>
> #1 - Female Western Tanager
>
> #2 - Yes on the Siskin
>
> #3 - Juvenile Rufous
>
> Best Regards,
> Travis McComas
>
> On Fri, Aug 25, 2023 at 10:42 AM Bill Kosar  wrote:
>
>>   I saw three birds in my backyard that I am not confident of my IDs on 
>> and would appreciate a little help on.
>>
>> #1  I think this is a female orchard oriole:
>> [image: 1Z7A6284_cr.jpg]
>>
>> #2 I think this is a pine siskin due to the small amount of yellow in the 
>> wing bar. These are usually more of a winter bird for me. 
>> [image: 1Z7A6341_cr.jpg]ad #3 I think this is a juvenile broad-tailed 
>> hummingbird
>> [image: 1Z7A6363_cr.jpg]
>>
>> Thanks
>>
>> Bill Kosar
>> bill_...@msn.com
>> El Paso county
>>
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>>  
>> 
>> .
>>
>
>
> -- 
> Best Regards,
> Travis McComas
>

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