Re: [cobirds] Butterflies. (and birds). Douglas

2017-09-19 Thread Meredith . McBurney 
Same story at the Arsenal on Monday.  I was birding with out of town 
visitors and we were transfixed

On Tuesday, September 19, 2017 at 1:35:19 AM UTC-6, SeEtta wrote:
>
> This was posted on Arthropods Colorado facebook group tonight regarding 
> the Painted Ladies:
>
> "Kate Hogan 
> 
>
> A note about the Painted Lady phenomenon - I am colleagues with Dr. Mike 
> Weissmann who consults on butterfly houses all over the world and started 
> the Butterfly Pavilion - he shared this with me today: "This is an unusual 
> population burst that really has more to do with their success locally and 
> I don't believe is related to any migration. Painted Lady butterflies in 
> our area are originally from the Sonoran region of northern Mexico and 
> southern Arizona/New Mexico/California. There they live year-round, and 
> their population grows during our winter. In the spring, they migrate north 
> as the weather warms and their food resources in the Sonora become 
> depleted. This is a one-way migration, and they repopulate the USA each 
> spring this way. If they had a mild/moist winter with lots of host plant 
> growth and a low parasite load, we see a massive migration moving north in 
> the spring, around the time that the lilac bushes are in bloom. If we have 
> a good spring with lots of nectar and hostplants (they like thistle around 
> here, but their normal hostplant is mallow and related species), then they 
> are able to reproduce in fairly large numbers here. What we are seeing now 
> is the result of a mild local summer with lots of early-season moisture and 
> a low parasite load creating the right conditions for their population to 
> explode here, even though their numbers in the spring during the northbound 
> migration weren't record-setting. Also, the rabbitbrush is in full bloom, 
> so they have a lot of nectar to keep them going, as well as a great spot to 
> congregate where we can see a lot of them feeding all at once. However, 
> this is not like the monarchs heading south - painted lady butterflies have 
> a one-way migration. Those you see flying around and any eggs/larvae they 
> produce will die when the frosts come. Meanwhile, the home population in 
> the Sonoran region will continue on, and next spring more will migrate 
> north to temporarily repopulate our area again."
>
>
>
>
> SeEtta Moss
>
> Canon City
>
> http://BirdsAndNature.blogspot.com
>
> On Mon, Sep 18, 2017 at 8:57 PM, Art Hudak  > wrote:
>
>> Extreme migration/dispersal. On 9/16 I observed 100,000+ combined at 
>> Centennial park, Harriman lake park and Belmar park. At one point at 
>> Centennial in a field of 10,000+ 50+ were on me, all clothing covered, 
>> boots, pants, shirt, arms, hat...
>>
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>
>

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Re: [cobirds] Butterflies. (and birds). Douglas

2017-09-19 Thread SeEttaM . 
This was posted on Arthropods Colorado facebook group tonight regarding the
Painted Ladies:

"Kate Hogan


A note about the Painted Lady phenomenon - I am colleagues with Dr. Mike
Weissmann who consults on butterfly houses all over the world and started
the Butterfly Pavilion - he shared this with me today: "This is an unusual
population burst that really has more to do with their success locally and
I don't believe is related to any migration. Painted Lady butterflies in
our area are originally from the Sonoran region of northern Mexico and
southern Arizona/New Mexico/California. There they live year-round, and
their population grows during our winter. In the spring, they migrate north
as the weather warms and their food resources in the Sonora become
depleted. This is a one-way migration, and they repopulate the USA each
spring this way. If they had a mild/moist winter with lots of host plant
growth and a low parasite load, we see a massive migration moving north in
the spring, around the time that the lilac bushes are in bloom. If we have
a good spring with lots of nectar and hostplants (they like thistle around
here, but their normal hostplant is mallow and related species), then they
are able to reproduce in fairly large numbers here. What we are seeing now
is the result of a mild local summer with lots of early-season moisture and
a low parasite load creating the right conditions for their population to
explode here, even though their numbers in the spring during the northbound
migration weren't record-setting. Also, the rabbitbrush is in full bloom,
so they have a lot of nectar to keep them going, as well as a great spot to
congregate where we can see a lot of them feeding all at once. However,
this is not like the monarchs heading south - painted lady butterflies have
a one-way migration. Those you see flying around and any eggs/larvae they
produce will die when the frosts come. Meanwhile, the home population in
the Sonoran region will continue on, and next spring more will migrate
north to temporarily repopulate our area again."




SeEtta Moss

Canon City

http://BirdsAndNature.blogspot.com

On Mon, Sep 18, 2017 at 8:57 PM, Art Hudak 
wrote:

> Extreme migration/dispersal. On 9/16 I observed 100,000+ combined at
> Centennial park, Harriman lake park and Belmar park. At one point at
> Centennial in a field of 10,000+ 50+ were on me, all clothing covered,
> boots, pants, shirt, arms, hat...
>
> --
> You received this message because you are subscribed to the Google Groups
> "Colorado Birds" group.
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> msgid/cobirds/513cc392-dcdc-4dd1-baf2-32088cf155af%40googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.
>

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Re: [cobirds] Butterflies. (and birds). Douglas

2017-09-18 Thread Art Hudak 
Extreme migration/dispersal. On 9/16 I observed 100,000+ combined at Centennial 
park, Harriman lake park and Belmar park. At one point at Centennial in a field 
of 10,000+ 50+ were on me, all clothing covered, boots, pants, shirt, arms, 
hat...

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Re: [cobirds] Butterflies. (and birds). Douglas

2017-09-18 Thread Joe Roller 
There are articles about the Painted Ladies from Nebraska this week too.

Some would call this a dispersal instead of a migration. In either case
some folks on my block are opening their eyes to "nature," and that's a
good thing.

Joe Roller, Denver

On Mon, Sep 18, 2017 at 5:19 PM, Bart Deferme  wrote:

> Hugh,
>
> The Painted Lady irruption you mention is incredible right now. I ran
> around Quincy Reservoir this morning, and I saw - no exaggeration -
> thousands. There is quite a bit of Rabbitbrush around the reservoir, and
> some bushes were just covered in them, turning them solid orange rather
> than yellow from a distance. I ran through clouds of butterflies. I've
> never seen anything like it.
>
> The Red-breasted Nuthatches continue at Quincy Reservoir as well. Two or
> three visit my feeders in the mornings, and I heard several other ones
> throughout the neighborhood. The Woodhouse's Scrub-jays are back here
> regularly too, along with the families of Blue Jays that have been hanging
> around all summer.
>
> Bart Deferme
>
> On Mon, Sep 18, 2017 at 4:50 PM, 'Hugh Kingery' via Colorado Birds <
> cobirds@googlegroups.com> wrote:
>
>> This morning Urling & I saw at least 40 (forty) Painted Lady butterflies,
>> gorging on our bright blooming rabbit brush. I have never seen such a
>> stunning butterfly show.
>>
>> We also have some fall bird visitors: 5 Steller's Jays (occasional during
>> the summer), a Red-breasted Nuthatch (a September arrival), 2 Vesper
>> Sparrows. Our winter Blue Jays arrived in July (early).
>>
>> A Black-capped Chickadee banded in our yard in June we see off and on,
>> about once a week; we have to examine all the chickadees that come in
>> (daily) to pick out its red leg band.
>>
>> Two species have entertained us with fall-echo singing. We still hear a
>> Western Meadowlark singing, and up until two days ago heard a Plumbeous
>> Vireo singing. House Finches, of course continue their song mastery.
>>
>> Hugh Kingery
>> Franktown, CO
>>
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>> 
>> .
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Re: [cobirds] Butterflies. (and birds). Douglas

2017-09-18 Thread Bart Deferme 
Hugh,

The Painted Lady irruption you mention is incredible right now. I ran
around Quincy Reservoir this morning, and I saw - no exaggeration -
thousands. There is quite a bit of Rabbitbrush around the reservoir, and
some bushes were just covered in them, turning them solid orange rather
than yellow from a distance. I ran through clouds of butterflies. I've
never seen anything like it.

The Red-breasted Nuthatches continue at Quincy Reservoir as well. Two or
three visit my feeders in the mornings, and I heard several other ones
throughout the neighborhood. The Woodhouse's Scrub-jays are back here
regularly too, along with the families of Blue Jays that have been hanging
around all summer.

Bart Deferme

On Mon, Sep 18, 2017 at 4:50 PM, 'Hugh Kingery' via Colorado Birds <
cobirds@googlegroups.com> wrote:

> This morning Urling & I saw at least 40 (forty) Painted Lady butterflies,
> gorging on our bright blooming rabbit brush. I have never seen such a
> stunning butterfly show.
>
> We also have some fall bird visitors: 5 Steller's Jays (occasional during
> the summer), a Red-breasted Nuthatch (a September arrival), 2 Vesper
> Sparrows. Our winter Blue Jays arrived in July (early).
>
> A Black-capped Chickadee banded in our yard in June we see off and on,
> about once a week; we have to examine all the chickadees that come in
> (daily) to pick out its red leg band.
>
> Two species have entertained us with fall-echo singing. We still hear a
> Western Meadowlark singing, and up until two days ago heard a Plumbeous
> Vireo singing. House Finches, of course continue their song mastery.
>
> Hugh Kingery
> Franktown, CO
>
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> msgid/cobirds/15e972f9a4e-c0e-12b94%40webjas-vad219.srv.aolmail.net
> 
> .
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>

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