Date: 9/20/19 3:21 am
From: <khmo...>
Subject: Fwd: Re: [cayugabirds-l] [nysbirds-l] Fwd: News Alert: North America has lost 29% of its birds since 1970, study finds. Experts blame habitat loss, pesticides, light pollution and cats.
-
-------- Original Message --------

SUBJECT:
Re: [cayugabirds-l] [nysbirds-l] Fwd: News Alert: North America has
lost 29% of its birds since 1970, study finds. Experts blame habitat
loss, pesticides, light pollution and cats.

DATE:
2019-09-20 10:19

FROM:
<khmo...>

TO:
David Nicosia <daven102468...>

Dave, the tower lighting change is not an immediate mandate but
voluntary until replacement takes place. At that time the new type must
be installed. All new towers are to use the new lighting. It's going to
take a long time!

As a side note, when ABA started this drive we were able to pass a local
law in the town of Hector that prohibits any structure above 200 ft AGL
which is when lighting is mandatory. As it turns out we were first in
the nation to do so. One tower remains in the National Forest with the
old lights and is now scheduled for light replacement.

Of interest, one of the fall outs of public meetings required before
enacting the local law was a complaint from those suffering certain
seizures as strobe lights appear to be a trigger for some with that
condition.

I agree with your other comments and would add the trend locally for
dairy farms to become agribusinesses with thousands of cows. Each cow by
law mandates a certain amount of acreage for manure disposal which has
caused the removal of hedgerows, the deforestation of woodlots, the
monocropping of fields with non-bird and prey species friendly crops and
a new methods of harvest that leaves little gleaning for the bottom of
the food web. Put together this is a massive hit to the avian community.

John

---
John and Sue Gregoire
Field Ornithologists
Kestrel Haven Migration Observatory
5373 Fitzgerald Rd
Burdett, NY 14818
42.443508000, -76.758202000
"Create and Conserve Habitat"
On 2019-09-20 00:03, David Nicosia wrote:

> 1. Why are european starlings declining? That is crazy but concerning when a seemingly adaptable invasive specie is dying off.
> 2. Could it be related (in part) to West Nile Virus? https://www.sciencemag.org/news/2015/11/west-nile-virus-still-wiping-out-birds-across-north-america
> 3. Grassland birds have been declining for decades and will continue unless farming practices are changed and more bird friendly. In the northeast U.S, we have lost many farms and they have reverted back to woodlands. I see this in many areas of Bradford Co. PA where I grew up. I remember a lot of field birds in places that are now full of saplings 30 feet tall.
> 4. Rampant deer populations destroying undergrowth for many ground nesters. The DEC locally needs to find a solution here. This is manageable!
> 5. Pesticides and herbicides (especially the lawn treatments) which are so common. I always wonder how this affects Robins and other birds that forage on the ground. I never use this stuff on my "lawn" and it has a lot of weeds. So what. I could care less what people think.
> 6. Spruce budworm population cycles in our boreal forests. This could explain decline in warblers since there was a massive outbreak of budworms in the 70s and 80s. Many warbler's populations are tied to these cycles. The 1990s and 2000s there was a lull and now they are on their way up again. This could explain a more natural cycle in warbler populations independent of vireos. (this is speculation).
> 7. More towers and wind farms? If a wind farm and tower are lighted properly does it kill that many songbirds at night? The FCC has new guidelines which supposedly reduces tower kills. https://abcbirds.org/article/communication-tower-owners-change-lighting-protect-birds/ Not sure if this is working but hopefully so.
> 8. Invasive species. Look at the wholesale changes when all of our ash trees die, hemlocks and others. Also invasive fish, plants etc.
>
> There is probably many others which is sobering.
>
> On Thu, Sep 19, 2019 at 4:21 PM Purbita Saha <bitasaha...> wrote:
> Adding Audubon magazine's coverage on the Cornell study as well, not for shameless promotion but because it has a helpful graphic and also does a by-habitat breakdown of the declines.
>
> https://www.audubon.org/news/north-america-has-lost-more-1-4-birds-last-50-years-new-study-says
>
> Just spent my lunch at a hawkwatch and was at least happy to see many chimney swifts.
>
> Happy birding (and conserving),
> Purbita
>
> On Thu, Sep 19, 2019 at 2:28 PM Andrew Baksh <birdingdude...> wrote:
>
> And on that note. A call on Bronx Birders to please contact Margarita Eremeyev at <meremeyev...>
>
> She is doing extensive research on the possible adverse effects the planned paving of the Putnam Trail in Van Cortlandt Park in the Bronx May have on wildlife. For example, the Rusty Blackbirds that have utilized the wetland area near Tibbets Brook might be affected.
>
> There have been quite a few of us enjoying some of the birds being reported from that borough as of late. Please take the time out to contact Margarita to see if you could be of assistance.
>
> Thank You
>
> --------
> "I prefer to be true to myself, even at the hazard of incurring the ridicule of others, rather than to be false, and to incur my own abhorrence." ~ Frederick Douglass
>
> 風 Swift as the wind
> 林 Quiet as the forest
> 火 Conquer like the fire
> 山 Steady as the mountain
> Sun Tzu [1] _The Art of War_ [2]
> (\__/)
> (= '.'=) (") _ (") Sent from somewhere in the field using my mobile device!
>
> Andrew Baksh
> www.birdingdude.blogspot.com [3]
>
> On Sep 19, 2019, at 2:19 PM, Richard Guthrie <richardpguthrie...> wrote:
>
> Sent from my iPhone
>
> Begin forwarded message:
>
> FROM: The Washington Post <email...>
> DATE: September 19, 2019 at 2:01:29 PM EDT
> TO: <richardpguthrie...>
> SUBJECT: NEWS ALERT: NORTH AMERICA HAS LOST 29% OF ITS BIRDS SINCE 1970, STUDY FINDS. EXPERTS BLAME HABITAT LOSS, PESTICIDES, LIGHT POLLUTION AND CATS.
> REPLY-TO: The Washington Post <email...>
>
> A massive study of bird populations, using decades of survey data as well as weather radar readings of migratory flocks, shows the United States and Canada have lost 3 billion birds in the past 50 years. The declines have hit sparrows, finches, warblers, thrushes, swallows and many other familiar groups.
>
> [4]
>
> Democracy Dies in Darkness
>
> NEWS ALERT
> Sep 19, 2:01 PM
>
> North America has lost 29% of its birds since 1970, study finds. Experts blame habitat loss, pesticides, light pollution and cats. [5]
>
> A massive study of bird populations, using decades of survey data as well as weather radar readings of migratory flocks, shows the United States and Canada have lost 3 billion birds in the past 50 years. The declines have hit sparrows, finches, warblers, thrushes, swallows and many other familiar groups.
>
> Read more » [6]
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