'Bird Breathalyzer' Study to Help Protect Migration Routes

For high -res images contact jamison@linnihanfoy.

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"
"Our engineers were able to create netting options that allowed for
additional flexibility while still maintaining the blanket's strength for
various fill materials," says Mr. Misukanis.

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A Leucadia
National company (NYSE: LUK), Conwed markets products in the United States,
Europe, Asia, and Latin America, and has four worldwide manufacturing plants .

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For a new study, he and
two University of Rhode Island ornithologists fitted a small facemask over
migrating birds' beaks and captured their exhaled carbon dioxide. The birds
did not have to walk a straight line, nor answer any questions.
Hatch explained that the high-tech methodology is not sensitive enough to
nail down exactly what the birds ate, or distinguish between similar foods .newswise. "Studying snakes in their natural
environment helped our engineers create our new patent -pending design," says
Keith Misukanis, Strategic Business Manager for Conwed.
"The goal here is to protect the animals and their habitat as much as
possible," explained Mr.

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After the unharmed birds were
brought to a central location, team members fitted each bird with the facemask
so it breathed pure oxygen from a balloon.

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"
The researchers determined that three of the species under observation
maintained a consistent diet during their migration, but white-throated
sparrows had recently broadened their palette to include a new component, such
as corn from bird feeders. Developed to address specific animal protection concerns,
NatureZone(TM) minimizes the possibility of reptile , amphibian or bird
entanglement.

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While current netting
solutions are critical components for erosion control, they may not address
specific animal protection concerns.

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But the
researchers did also gather feathers, blood and feces before releasing the
animals, something highway patrol officers are probably happy they don't need
to do."
Songbirds traveling up and down the east coast of North America need "rest
stops" where they can replenish energy and protein burned during their taxing
migrations.
"We will combine this with similar studies in other locations to see what
they're eating, to see what is good habitat and what isn't," said Hatch, who
worked with URI's David W.
"You can see if they are eating two very different components, like corn
versus wheat, or marine animals versus terrestrial animals," he said. "This new innovation
features altered apertures that allow snakes to move easily through the
netting. "In fact, testing of NatureZone
at the University of Minnesota yielded a result of zero snake entanglements
over the duration of the testing program.

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PROVO, Utah, A Brigham Young University biologist
has developed a "bird breathalyzer" to determine whether sparrows and warblers
are migrating under the influence of bayberries , gnats, or other foods in an
effort to help protect the right kinds of habitats for the traveling birds.
The study results are published Friday in the new issue of the journal
"Oecologia.

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Back in a BYU lab, Hatch -- an associate professor of integrative biology
-- connected the seemingly empty flasks to the mass spectrometer. Misukanis.com

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By comparing the ratio to ratios recorded from the breath
of laboratory birds fed a controlled diet, Podlesak, McWilliams and Hatch were
able to estimate the wild birds' diet over the 24 hours prior to their
capture.byu .

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McWilliams to sample birds
"refueling" on Block Island off the southern coast of Rhode Island. The
extremely precise device counted the numbers of two different types of carbon
isotopes (carbons with six neutrons versus carbons with seven neutrons) in
each breath sample.aspx

This news release was issued on behalf of Newswise(TM)." NatureZone wildlife-friendly
netting, which is available in biodegradable, degradable and standard material
versions, is part of Conwed's new environmentally focused EcoSeries(TM) line
of degradable netting products developed for erosion control blanket
manufacturers, turf producers and agricultural manufacturers.

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"We want
to watch and see how varied their diet is to see how projected changes might
influence available foods. The balloon captured the exhaled
carbon dioxide, which was then transferred by syringe to vacuum-sealed test
tube-like flasks.

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High resolution photos available at:
http://byunews. Headquartered in Minneapolis, Minnesota, Conwed
manufactures a complete line of high-performance netting used in major markets
ranging from consumer-packaged goods to building materials.

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"Who knew you could have so much fun with bad breath?" he said.

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For more
information, visit http://www.

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com.

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Conwed(R ) Introduces New Wildlife-Friendly Netting Solution

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Hatch was the first to use isotope ratio mass -spectroscopy, a
method of measuring different kinds of atoms, to analyze bird breath for clues
as to what the birds ate earlier in the day. At the same time, they found that yellow-rumped
warblers had preferred protein-rich insects prior to their arrival on the
island, but their tastes turned to northern bayberries during their pit stop.
To capture songbirds tanking up on the island, the researchers hung spider
web-like nets hanging between vertical poles.

amphibians herp

Podlesak and Scott R. Separate analysis of carbon isotopes in blood plasma indicated clues
as to what the birds ate three or four days earlier, while looking at their
red blood cells hinted at diets up to a month ago. He is also working on a proposal to study differences in diet
in migrating birds at different desert stopover sites.

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"
Hatch, who shares his campus office with two iguanas, a gecko, two other
lizards , a snake and a salamander, plans to adapt his "breathalyzer" to get a
read on the diets of bears and snakes, among other types of animals, for
future studies.

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MINNEAPOLIS, Conwed(R), a high -performance netting
manufacturer, announced the launch of NatureZone(TM), the new
wildlife-friendly netting solution for environmentally sensitive erosion
control projects.

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With development encroaching on many of these sites, ecologists
want to identify the preferred diet and any alternative foods acceptable to
the birds to ensure the availability of appropriate stopover habitats.
"After they fly into the net, you put them in a little cloth bag, they get
a little scared and it's really convenient because they defecate while they're
in there," Hatch said, noting that the sampling techniques were as minimally
invasive as possible.
As a critical component of rolled erosion control blankets, netting has
long performed the role of protecting ponds and streams. "With the introduction of NatureZone,
blanket manufacturers will now have access to a performance engineered netting
solution that preserves the wildlife in environmentally-sensitive job sites.

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"The
advantage is in integrating this with direct observations over time.edu/photo-archive05-Feb-birdbreath.

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Kent A. Gathering other types of samples was less complicated."

About Conwed Global Netting Solutions
Conwed is a global company, specializing in total netting solutions, from
concept to commercialization .

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