Found a woodland spirit in the vernal pool today….
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Imagine
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Wood frogs’ bodies can be a variety of shades of green, gray, red, and brown—with the colors more vivid on females than on males—but all of the frogs bear the distinctive, masklike black marking across the eyes. This wood frog was photographed at the National Aquarium in Baltimore.
PHOTOGRAPH BY JOEL SARTORE, NATIONAL GEOGRAPHIC PHOTO ARK
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Wood frog
By: Unknown photographer
From: Natural History Magazine
1950
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This year's Amphibian Pride Parade (run by @amphibianaday ) submission is based on the Wood Frog found in my home state of Delaware!
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Meet November’s Pal of the Month: the Wood Frog
The Wood frog is a common North American amphibian that are easily identified by their black "robber mask" patterning. Their scientific name, Lithobates sylvaticus, means "a stone that walks or haunts amidst the trees" in Latin. They can be found further North than any other North American amphibian or reptile due to their incredible ability to temporarily freeze solid over winter. They produce a natural antifreeze within their cells, preventing the cells from freezing. Ice forms between the cells instead, stopping their heart, bloodflow, and breathing temporarily until they thaw out again in spring.
Their population is stable but habitat loss due to farming and development should be monitored, as it may affect some populations.
This month, Pen Pals will receive a 3in Wood Frog sticker! Join now to grab yours! Thanks so much for being here everyone and being you! I hope you enjoy your sticker this month!
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Uncharismatic Fact of the Day
In the harsh winters of North America, some frogs beat the cold by turning into literal frog-sicles! Wood frogs enter a state of torpor in September, and up to 2/3 of their body water will freeze completely solid. However, their cells are able to remain active due to the high levels of glucose these frogs spend accumulating throughout the summer. When spring rolls around, they turn that glucose back into glycogen stores or pee it out, and then hop on their merry way!
(Image: A wood frog (Lithobates sylvaticus) by Clara do Amaral)
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Amplexus, anyone? ig plantpup
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Wood Frog tadpoles! There are many, many more.
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Animal of the Day!
Wood Frog (Lithobates sylvaticus)
(Photo from D.J. McNeil)
Conservation Status- Least Concern
Habitat- Northern North America
Size (Weight/Length)- 8 cm
Diet- Insects
Cool Facts- Despite being an amphibian that needs heat to survive, the wood frog rarely ventures out of the frigid north. Living in peat bogs, these small frogs only have a few months to work up their fat stores and find a place to settle down in the winter. Wood frogs essentially have antifreeze in their blood, allowing them to tolerate -6 degrees Celsius. Their cells freeze and cause immobility for months on end, essentially coming back to life once the weather warms up. Once warmed up, it’s time to make some tadpoles. Male wood frogs sound like a quacking duck in an attempt to lure in the ladies. Females lay their eggs in group floating rafts, taking only two weeks to hatch and another three to become fully fledged frogs. These mad lads are mostly threatened by urban development paving over bogs and fragmenting populations.
Rating- 13/10 (Not technically hibernation.)
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Itty bitty wood frog graces me with his presence !!!!
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f r o g
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Wood frog under a freeze. A false spring—climate change threatens wood frog offspring.
Attribution: Lindsey Swierk
BMC Ecology And Evolution Image Competition
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I saw.... forgs today
@pet-of-subs
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