Re: [cobirds] Help with possible bird ID

[Jay Breidt]

Maybe a Cooper’s hawk?
Jay Breidt
Fort Collins

On Mon, Jun 8, 2020 at 11:06 PM Heidi Haas Williams 
wrote:

> Hey all, first post to the group after hearing a strange bird call/sound
> today. Around midday north of Denver (Federal Heights) I heard what I
> thought might be a dog toy originally, but it sounded almost like a monkey
> - hard to describe but that's what I thought it was originally. It was loud
> and sounded a few times so I went to check it out. I was able to spot a
> bird/bird of prey up in a tree right outside my house that I believed to be
> making the noise. Unfortunately I wasn't able to capture the call or any
> part of the bird via camera but i was able to see a whitish belly and it
> seemed a bit fluffy as it hopped from one branch to another. I wasn't able
> to see it's head or body shape at all but it seemed hawkish size. I went to
> get binocs/camera and couldn't spot it again (may have flown while I was
> inside) so that's all the info I have. No history of owls in the
> residential area, but occasional hawks/falcons as we do have a prairie dog
> town nearby.
>
> Out of plain curiosity, does anyone have an idea of what it could be? It
> wasn't the usual hawk or owl sounds I've heard while out (or during visits
> to hawkquest etc). It seemed fairly unique and I'm hoping the "monkey-ish"
> descriptor might be a clue.
>
> Sorry if this is a wild goose chase, but I appreciate any suggestions so I
> can compare to audio on ebird/merlin/etc!
>
> Thanks!
> Heidi Haas
>
> --
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> 
> .
>

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Re: [cobirds] Help with possible bird ID

['Deborah Carstensen' via Colorado Birds]

Perhaps a juvenile hawk or great horned owl. If you look up the juvenile great 
horned owl’s call, that might fit. You can probably tell  a juvenile great 
horned owl from a hawk so if you can find other juvenile calls.  Good luck!

Deb Carstensen 

Sent from my iPhone

> On Jun 9, 2020, at 5:47 AM, Jay Breidt  wrote:
> 
> 
> Maybe a Cooper’s hawk?
> Jay Breidt 
> Fort Collins
> 
>> On Mon, Jun 8, 2020 at 11:06 PM Heidi Haas Williams  
>> wrote:
>> Hey all, first post to the group after hearing a strange bird call/sound 
>> today. Around midday north of Denver (Federal Heights) I heard what I 
>> thought might be a dog toy originally, but it sounded almost like a monkey - 
>> hard to describe but that's what I thought it was originally. It was loud 
>> and sounded a few times so I went to check it out. I was able to spot a 
>> bird/bird of prey up in a tree right outside my house that I believed to be 
>> making the noise. Unfortunately I wasn't able to capture the call or any 
>> part of the bird via camera but i was able to see a whitish belly and it 
>> seemed a bit fluffy as it hopped from one branch to another. I wasn't able 
>> to see it's head or body shape at all but it seemed hawkish size. I went to 
>> get binocs/camera and couldn't spot it again (may have flown while I was 
>> inside) so that's all the info I have. No history of owls in the residential 
>> area, but occasional hawks/falcons as we do have a prairie dog town nearby. 
>> 
>> Out of plain curiosity, does anyone have an idea of what it could be? It 
>> wasn't the usual hawk or owl sounds I've heard while out (or during visits 
>> to hawkquest etc). It seemed fairly unique and I'm hoping the "monkey-ish" 
>> descriptor might be a clue. 
>> 
>> Sorry if this is a wild goose chase, but I appreciate any suggestions so I 
>> can compare to audio on ebird/merlin/etc!
>> 
>> Thanks!
>> Heidi Haas
>> -- 
>> 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 view this discussion on the web visit 
>> https://groups.google.com/d/msgid/cobirds/634455d9-65a3-4c75-b214-b0fe3f1463e8o%40googlegroups.com.
> 
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Re: [cobirds] Help with possible bird ID

[Charlie Chase]

Sounds much like the male Cooper's Hawks that are currently making a lot of
similar racket in our neighborhood.

Charlie Chase
Denver




On Mon, Jun 8, 2020 at 11:06 PM Heidi Haas Williams 
wrote:

> Hey all, first post to the group after hearing a strange bird call/sound
> today. Around midday north of Denver (Federal Heights) I heard what I
> thought might be a dog toy originally, but it sounded almost like a monkey
> - hard to describe but that's what I thought it was originally. It was loud
> and sounded a few times so I went to check it out. I was able to spot a
> bird/bird of prey up in a tree right outside my house that I believed to be
> making the noise. Unfortunately I wasn't able to capture the call or any
> part of the bird via camera but i was able to see a whitish belly and it
> seemed a bit fluffy as it hopped from one branch to another. I wasn't able
> to see it's head or body shape at all but it seemed hawkish size. I went to
> get binocs/camera and couldn't spot it again (may have flown while I was
> inside) so that's all the info I have. No history of owls in the
> residential area, but occasional hawks/falcons as we do have a prairie dog
> town nearby.
>
> Out of plain curiosity, does anyone have an idea of what it could be? It
> wasn't the usual hawk or owl sounds I've heard while out (or during visits
> to hawkquest etc). It seemed fairly unique and I'm hoping the "monkey-ish"
> descriptor might be a clue.
>
> Sorry if this is a wild goose chase, but I appreciate any suggestions so I
> can compare to audio on ebird/merlin/etc!
>
> Thanks!
> Heidi Haas
>
> --
> 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 view this discussion on the web visit
> https://groups.google.com/d/msgid/cobirds/634455d9-65a3-4c75-b214-b0fe3f1463e8o%40googlegroups.com
> 
> .
>

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[cobirds] Spotted Towhee Nesting - Arapahoe

[Jared Del Rosso]

There are two pairs of Spotted Towhees nesting in or near my Centennial 
(Arapahoe County) yard. 

One pair has been feeding a fledgling since at least May 21. I've 
suspected, but hadn't confirmed that there were actually two fledglings. 
Today, I saw both. They're now foraging on their own, chasing each other 
away from food, and making long flights (for a towhee) across the yard. The 
male will forage with them, though less so than over the past week. I 
haven't seen him feed them recently, but all the birds spend a lot of time 
under cover, so perhaps when that happens. I also haven't seen the two 
fledglings do the towhee thing -- scraping. Perhaps this goes under under 
the brush. Perhaps they can't do that yet?

I wonder if the female of the pair is now on a nest, as she's seemed scarce 
lately. 

As of yesterday, the other pair's female was still on her nest. She seems 
to only ever be sitting directly east or west. Usually, it's the former. 
This may be because the nest is most exposed in that direction. Or it could 
be because the human who accidentally flushed her before knowing the nest 
was there (me) came from that direction. 

- Jared Del Rosso
Centennial, CO

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[cobirds] Re: Spotted Towhee Nesting - Arapahoe

[Jared Del Rosso]

I should have waited 5 minutes to write. The fledglings are indeed scraping 
for food. Both were out doing this a moment ago. 

- Jared Del Rosso
Centennial, CO

On Tuesday, June 9, 2020 at 8:44:17 AM UTC-6, Jared Del Rosso wrote:
>
> There are two pairs of Spotted Towhees nesting in or near my Centennial 
> (Arapahoe County) yard. 
>
> One pair has been feeding a fledgling since at least May 21. I've 
> suspected, but hadn't confirmed that there were actually two fledglings. 
> Today, I saw both. They're now foraging on their own, chasing each other 
> away from food, and making long flights (for a towhee) across the yard. The 
> male will forage with them, though less so than over the past week. I 
> haven't seen him feed them recently, but all the birds spend a lot of time 
> under cover, so perhaps when that happens. I also haven't seen the two 
> fledglings do the towhee thing -- scraping. Perhaps this goes under under 
> the brush. Perhaps they can't do that yet?
>
> I wonder if the female of the pair is now on a nest, as she's seemed 
> scarce lately. 
>
> As of yesterday, the other pair's female was still on her nest. She seems 
> to only ever be sitting directly east or west. Usually, it's the former. 
> This may be because the nest is most exposed in that direction. Or it could 
> be because the human who accidentally flushed her before knowing the nest 
> was there (me) came from that direction. 
>
> - Jared Del Rosso
> Centennial, CO
>

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[cobirds] American Dipper repeats at Clear Creek and Lowell Blvd. today, Adams County

[Robert Canter]

Hi CoBirders
I saw an American Dipper just before 10 am on the west side of tle Lowell 
Blvd, bridge over Clear Creek. It was on the wood jammed on the rocks below 
the bridge. I saw it well and for about 15 mins. The bill was black, This 
bird show no white edges to any feathers. Wings and head had brown tones. 
White eye lid flashed often. It was foraging along the downed tree, dipping 
at times. I did not see it enter the water. Clear Creek is running very 
full. The ponds at Lowell Ponds Open Space were full of Violet-green 
Swallows. All other other birds seen were common and expected.
Bob Canter, Denver

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Re: [cobirds] Help with possible bird ID

[Mike Blatchley]

Heidi,

I realize this won't be consistent with the hawk-like bird you saw, but is
it possible you were hearing a Red-breasted or White-breasted Nuthatch
calling from the same tree?  When I read the descriptions "dog toy" and
"like a monkey", that's the first vocalization that came to mind without
reading further.

Mike Blatchley

On Mon, Jun 8, 2020 at 11:06 PM Heidi Haas Williams 
wrote:

> Hey all, first post to the group after hearing a strange bird call/sound
> today. Around midday north of Denver (Federal Heights) I heard what I
> thought might be a dog toy originally, but it sounded almost like a monkey
> - hard to describe but that's what I thought it was originally. It was loud
> and sounded a few times so I went to check it out. I was able to spot a
> bird/bird of prey up in a tree right outside my house that I believed to be
> making the noise. Unfortunately I wasn't able to capture the call or any
> part of the bird via camera but i was able to see a whitish belly and it
> seemed a bit fluffy as it hopped from one branch to another. I wasn't able
> to see it's head or body shape at all but it seemed hawkish size. I went to
> get binocs/camera and couldn't spot it again (may have flown while I was
> inside) so that's all the info I have. No history of owls in the
> residential area, but occasional hawks/falcons as we do have a prairie dog
> town nearby.
>
> Out of plain curiosity, does anyone have an idea of what it could be? It
> wasn't the usual hawk or owl sounds I've heard while out (or during visits
> to hawkquest etc). It seemed fairly unique and I'm hoping the "monkey-ish"
> descriptor might be a clue.
>
> Sorry if this is a wild goose chase, but I appreciate any suggestions so I
> can compare to audio on ebird/merlin/etc!
>
> Thanks!
> Heidi Haas
>
> --
> 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 view this discussion on the web visit
> https://groups.google.com/d/msgid/cobirds/634455d9-65a3-4c75-b214-b0fe3f1463e8o%40googlegroups.com
> 
> .
>

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[cobirds] Re: Help with possible bird ID

[Heidi Haas Williams]

oh my gosh, thank you all so much for the possibilities and knowledge of 
the group! I wish i had taken an audio so I can confirm, but I'm leaning 
towards the Cooper's Hawk. I'll be keeping my ears open to see if it 
returns. 

Thanks again to everyone, always fun learning new things!!!



On Monday, June 8, 2020 at 11:06:48 PM UTC-6, Heidi Haas Williams wrote:
>
> Hey all, first post to the group after hearing a strange bird call/sound 
> today. Around midday north of Denver (Federal Heights) I heard what I 
> thought might be a dog toy originally, but it sounded almost like a monkey 
> - hard to describe but that's what I thought it was originally. It was loud 
> and sounded a few times so I went to check it out. I was able to spot a 
> bird/bird of prey up in a tree right outside my house that I believed to be 
> making the noise. Unfortunately I wasn't able to capture the call or any 
> part of the bird via camera but i was able to see a whitish belly and it 
> seemed a bit fluffy as it hopped from one branch to another. I wasn't able 
> to see it's head or body shape at all but it seemed hawkish size. I went to 
> get binocs/camera and couldn't spot it again (may have flown while I was 
> inside) so that's all the info I have. No history of owls in the 
> residential area, but occasional hawks/falcons as we do have a prairie dog 
> town nearby. 
>
> Out of plain curiosity, does anyone have an idea of what it could be? It 
> wasn't the usual hawk or owl sounds I've heard while out (or during visits 
> to hawkquest etc). It seemed fairly unique and I'm hoping the "monkey-ish" 
> descriptor might be a clue. 
>
> Sorry if this is a wild goose chase, but I appreciate any suggestions so I 
> can compare to audio on ebird/merlin/etc!
>
> Thanks!
> Heidi Haas
>

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Re: [cobirds] Help with possible bird ID

[J V Rudd]

Possibly a Blue Jay mimicking (poorly in this case) a hawk? I can't tell
you how many times they've thrown me off.
Van Rudd
Louisville, CO

On Tue, Jun 9, 2020 at 7:40 AM Charlie Chase 
wrote:

> Sounds much like the male Cooper's Hawks that are currently making a lot
> of similar racket in our neighborhood.
>
> Charlie Chase
> Denver
>
>
>
>
> On Mon, Jun 8, 2020 at 11:06 PM Heidi Haas Williams 
> wrote:
>
>> Hey all, first post to the group after hearing a strange bird call/sound
>> today. Around midday north of Denver (Federal Heights) I heard what I
>> thought might be a dog toy originally, but it sounded almost like a monkey
>> - hard to describe but that's what I thought it was originally. It was loud
>> and sounded a few times so I went to check it out. I was able to spot a
>> bird/bird of prey up in a tree right outside my house that I believed to be
>> making the noise. Unfortunately I wasn't able to capture the call or any
>> part of the bird via camera but i was able to see a whitish belly and it
>> seemed a bit fluffy as it hopped from one branch to another. I wasn't able
>> to see it's head or body shape at all but it seemed hawkish size. I went to
>> get binocs/camera and couldn't spot it again (may have flown while I was
>> inside) so that's all the info I have. No history of owls in the
>> residential area, but occasional hawks/falcons as we do have a prairie dog
>> town nearby.
>>
>> Out of plain curiosity, does anyone have an idea of what it could be? It
>> wasn't the usual hawk or owl sounds I've heard while out (or during visits
>> to hawkquest etc). It seemed fairly unique and I'm hoping the "monkey-ish"
>> descriptor might be a clue.
>>
>> Sorry if this is a wild goose chase, but I appreciate any suggestions so
>> I can compare to audio on ebird/merlin/etc!
>>
>> Thanks!
>> Heidi Haas
>>
>> --
>> 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 view this discussion on the web visit
>> https://groups.google.com/d/msgid/cobirds/634455d9-65a3-4c75-b214-b0fe3f1463e8o%40googlegroups.com
>> 
>> .
>>
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> 
> .
>

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[cobirds] Re: Boulder County last night: owls & nightjars; bats, anurans, & fireflies; nocturnal marsh wrens & grasshopper sparrows; etc.

[Sandra Laursen]

Just a note that you, Ted, reported fireflies on June 9-10, 2017, according 
to the search function on this august list. So they are early but have been 
early before!

- Sandra Laursen



On Saturday, June 6, 2020 at 4:27:12 PM UTC-6, Ted Floyd wrote:
>
> Hey, folks.
>
> Andrew Floyd and I, having nothing better to do yesterday evening, 
> Fri.-Sat., June 5-6, decided to go out in search of things that go bump, 
> hoot, *huhuhuhuhuhuhu*, and *p't'tip-pz* in the night.
>
> We started out up Flagstaff Road, just west of the Boulder city limits, 
> more congested--truly, *congested*--than I'd ever seen it. But we managed 
> to find a roadside spot far from, or at least not in the immediate vicinity 
> of, the madding crowd. The last of the *hermit thrushes* were settling 
> down as we ourselves were getting settled in, and the first of the 
> *flammulated 
> owls* avowed at 8:54pm. The flamms (*n*=2) never got particularly close, 
> and neither did a *common poorwill* (*n*=1) down in a ravine below, but 
> the *northern saw-whet owls* (*n*=4) were fantastic. We found ourselves 
> in the midst of a foursome of saw-whets, two of them hooting wildly, a 
> third uttering that eerie and rarely heard whetting-of-the-saw sound, and a 
> fourth giving a shrill whistle that sounds like a cross between a kitten 
> and a wraith. Here's one of them:
>
>  https://www.xeno-canto.org/565795
>
> A comment: Owls and nightjars are eminently findable at this time of the 
> year up Flagstaff Road, and you absolutely do not need playback to hear 
> them. They're just singing spontaneously. You don't even have to leave the 
> roadside pull-offs to hear them. And the idea of using lights for enjoying 
> owls is equivalent to blasting your Metallica CD whilst listening to the 
> "Sanctus" from the Berlioz *Requiem*. Lights are good in certain 
> instances, and so, I suppose, is Metallica, but it is beyond senseless to 
> use lights whilst delighting in the transcendent magic of a chorus of owls.
>
> We saw a bat up there, by the way, during twilight, and I suspect it was a 
> hoary bat, *Aeorestes cinereus*. A good way to confirm that a whitish bat 
> is that species is to point your recorder (cellphone fine) in the direction 
> of the bat; the hoary bat is anomalously low-pitched, and extremely loud, 
> and even though we humans can't hear the species, our recorders can, and 
> you can totally see the spectrogram if you jack the y-axis up into the 20 
> kHz band; you should be able to see their freakishly powerful, but 
> inaudible, chirps coming in just under 22 kHz, with their characteristic 
> steep up-sweeps.
>
> On the drive down, we saw a red fox, *V. vulpes*, trotting right along 
> Flagstaff Road. We also saw massive throngs of disappointed strawberry moon 
> seekers, for it was entirely overcast there, and a bit breezy. And 
> remarkably warm. At the base of the canyon, Andrew heard a *yellow-breasted 
> chat,* and I heard road noise.
>
> Alright, next it was over to the marshes at the west end of Boulder 
> Reservoir. Practically birdless there, with only a few *Canada geese* in 
> the distance, but the anuran concert was splendid; three or four species, 
> and the Woodhouse toads, *Anaxyrus woodhousii*, were just going OFF. The 
> frogs and toads were awesome, but the real show-stoppers were the 
> fireflies, Lampyridae spp., like the Milky Way come down to Earth, in the 
> cattails right along the road. A motorist stopped to inquire what we were 
> doing, and we explained that you have to turn your headlights *off* to 
> see the fireflies, and the driver said, "Well, that's the dumbest thing, 
> how can you see anything in the dark?" and drove away. Hookay. Anyhow, 
> the fireflies just west of Boulder Rez are glorious, they're there for 
> anybody to see, and, yes, I assure you, you need to turn off your lights to 
> see them. Again: Metallica...Berlioz...
>
> I was surprised that the firefly show was so good on the early date of 
> June 5. Usually, in my experience, it's a late-June-into-early-July thing 
> here in Boulder County. I wonder if that means they're just early this 
> year, or, if I might entertain the happy thought, that they're going to be 
> REALLY good in a few weeks.
>
> Next stop: Cottonwood Marsh, where it was still a bit breezy, still 
> overcast, and still warm. We hadn't even gotten out of the car when Andrew 
> announced, "Listen, I can hear a *chup-chup-CH'CH'CH'CH'CH'CH'CH'-kiz* 
> out there!" Sure enough:
>
> https://www.xeno-canto.org/565791
>
> It's a *western marsh wren* (Woodhouse toad also audible in that cut), 
> but I shall henceforth refer to it as a 
> *chup-chup-CH'CH'CH'CH'CH'CH'CH'-kiz*. Hey, it's a lot more 
> descriptive, and arguably more evocative, than X Æ A-12. Anyhow, the 
> bird sang constantly the whole time we were there, and we can tell it's 
> from the western population by the elements of any particular song and, 
> especially, by the variation *a

[cobirds] Least Turn- Cleer Creek Valley Park- Adams co

[Eric Dinkel]

Just before sunset I was checking out the pond just north of 76 at Clear 
Creek Valley Park. I saw two terns hunting (hovering, diving) for about 
25-30 minutes from about 20-50 feet away (sometimes flying a but further). 
I'm not the most familiar with terns in general so I spent the whole time 
studying them for a positive id. Their was one adult and one immature. The 
adult had a yellow beak (not orange) and at first no noticable black tip. 
After one pass where the tern was flying right at me I could detect a tiny 
black tip. There was a white forehead apparent and black leading edge of 
wing. I spent more time with the adult than the immature, but the immature 
had a black eye stripe. I stayed as long as I could with light and am going 
to head back out in the am to see if they are still around.

Eric Dinkel
Denver co (reporting from Adams)

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[cobirds] Re: Least Turn- Cleer Creek Valley Park- Adams co

[Eric Dinkel]

I should have added- Very small tern. I could lose it in the swallows for a 
second before spotting them again. 

> Eric Dinkel
> Denver co (reporting from Adams)
>

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