Sentences with phrase «wood frog»

A "wood frog" refers to a type of frog that lives in the forest and is known for its ability to freeze solid and then thaw back to life. Full definition
As wood frogs freeze, they draw in their legs and tuck their digits under their body.
And in the case of wood frogs, other factors are also at play.
Similarly, they found higher than average rainfall in areas that typically experience lower annual rainfall saw positive effects on wood frog population growth.
Scientists have figured out how wood frogs freeze and yet survive the winter and it's because they don't pee for months on end.
«In a warming world, wood frogs at the southern end of their range may be in trouble,» he said.
In general, researchers found wood frogs were more sensitive to changes in temperature or temperature interacting with precipitation than to changes in precipitation alone.
As anticipated, researchers saw wood frog populations that seemed to be suffering from warmer than normal summer temperatures in hotter areas in the southern part of the range.
When they reared wood frog tadpoles in aquaria containing similar salt levels, those in water with a salinity of 1030 mg / l were much more likely to die during the 90 - day experiment than tadpoles at lower salinities (Environmental Pollution, DOI: 10.1016 / j.envpol.2005.07.013).
Sen. John Defrancisco's wood frog bill started with a 9 - year - old named Lili, who, along with her classmates, is now preparing a «persuasive essay» to help convince lawmakers in Albany to pass the measure.
AUSTIN — For wood frogs in Alaska's interior, Arctic weather is more than a temporary, headline - grabbing phenomenon.
Some people call him Rana sylvatica, but he is plain old wood frog to most.
As conditions warm, fish and wildlife living at the southern edge of their species» ranges are most at risk, according to Penn State researchers who led a major collaborative study of how wood frogs are being affected by climate change.
To find out, Jefferson studied captive wood frog tadpoles.
(The only ranid species native to Australia, the Australian wood frog (Rana daemelii), is restricted to the far north.)
For two seasons, they followed wood frogs to where they dug in for the winter and put temperature sensors next the frogs» skin and in the surrounding leaf litters, discovering that 100 % of the 18 animals coped well despite being frozen solid for 7 months, with temperatures sometimes dropping to -18 °C.
Like a handful of other creatures, the common wood frog, Rana sylvatica, is a biological conundrum.
The Canadian Journal of Fisheries and Aquatic Sciences published a new study entitled, «Interactive effects of road salt and leaf litter on wood frog sex... More
This study was novel because researchers did not simply document where wood frogs exist and where they do not, Amburgey explained.
Introduction of ranavirus to isolated wood frog populations could cause local extinction.
Once the communities were established, we added wood frog and American toad tadpoles at constant densities.
For the trematode, wood frogs living closer to agriculture with high baseline tolerance had lower trematode loads than populations living far from agriculture with inducible pesticide tolerance.
Amphibians such as wood frogs and spotted salamanders, some of the most common amphibians in the Upper Valley, have what is called «breeding site fidelity».
Web Exclusive: Listen to an audio recording of a chorus of wood frogs at Broadmoor's vernal pool viewing platform.
The researchers also found that wood frog tadpoles shifted their diet from mainly fallen leaves in forested ponds to mainly algae in suburban ponds, indicating a transformed food web.
Miller's lab spearheaded the study that included 14 universities, the U.S. Geological Survey, and several other state and federal agencies, looking at long - term monitoring data from 746 wood frog populations in 27 study areas, from Tennessee to Canada.
of American Woodcocks in mild weather amid other spring sounds, like the clamor of wood frogs and spring peepers.
Since late February, researchers from the Peggy Notebaert Nature Museum and Lincoln Park Zoo have been monitoring levels of cortisol (known as the stress hormone) in three species that have been reintroduced or restored by the forest preserve: wood frogs (designated as «in great need of conservation» in Illinois); spotted salamanders, a rare species for northeastern Illinois; and spring peepers, a frog species whose local populations are in decline.
Without any inlets or outlets, they lack predatory fish and, as a result, may all have wood frogs and spotted salamanders in the spring.
For example, the Nature Museum's curator of herpetology, Allison Sacerdote - Velat, is working to save several regional species, such as the wood frog and smooth greensnake.
I wonder what our old friend the wood frog thinks about all this...
Lili said she wasn't quite sure yet whether her class» letters would go to the lawmakers or Gov. Andrew Cuomo, who would have to sign the wood frog bill to make it into a law.
With help from Manna and Google, Lili and her classmates soon discovered that the wood frog - a tiny creature that uses natural anti-freeze to survive harsh winters - carried an unofficial designation next to New York's official apples, apple muffins, blue birds and sugar maples.
Lili Winkelman, 9, a fourth - grader in Irene Manna's class at State Street Intermediate School in Skaneateles, persuaded her classmates to ask New York State Sen. John DeFrancisco to introduce a bill in December 2013 to make the wood frog New York's official state amphibian.
They are perfecting their «persuasive essays,» another requirement in fourth grade, to convince lawmakers from both parties to give the wood frog a chance.
Lili said she and her classmates found out Monday that DeFrancisco had introduced the wood frog legislation.
Last week, DeFrancisco introduced legislation to make the wood frog the official amphibian of New York.
So Manna asked the class if they'd like to try to elevate the wood frog to official status.
Prospects for the wood frog legislation are uncertain.
New York State Sen. John DeFrancisco has introduced a bill to make the wood frog, like this creature in this file photo, the state's official amphibian.
But the wood frog now has a powerful champion, Sen. John DeFrancisco.
«This bill would identify the wood frog as the NYS amphibian.»
When spring comes, the wood frogs are among the first to wake up and get busy.
DeFrancisco, R - Syracuse, has introduced legislation to make the wood frog the official amphibian of New York.
In the State Senate, a normally pro forma vote to make the wood frog the state amphibian squeaked through by a 32 - 31 margin.
With one exception, the Democratic dissenters seemed to have no animus towards the wood frog, but they expressed a great deal of frustration over the Republican majority's priorities as the bill came up for discussion 41 hours after the expiration of rent regulations.
ALBANY — Even as negotiations over rent regulations, the 421 - a housing program, and other issues remain unresolved, the State Senate on Wednesday passed a measure that would designate the wood frog as the official state amphibian.
«The wood frog, from what I understand, inhabits the lake areas, and they're extremely small,» she said.
«Whenever we elevate a species in the state of New York, in this case it's to elevate the wood frog, make it something special, you empower [the Department of Environmental Conservation] with a weapon to use,» said Senator John Bonacic, a Republican who represents portions of the Hudson Valley.
The 7 months represent a record for frozen vertebrates, and while Siberian salamanders have lived through -30 °C temperatures for shorter durations, those salamanders did not have as good a survival rate as the wood frogs.
When the Storeys compared the livers of frozen wood frogs to those of control frogs in a normal state, they also found unusually high levels of messenger RNA molecules that code for fibrinogen, a clot - enhancing protein.
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