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Worcester County, Massachusetts
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1 turtle drawing (5 x 16 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (21)f
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3 turtle drawings (5 x 9 cm., 5 x 9 cm., 5 x 7 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (18)f
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1 turtle drawing (13 x 23 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (22)h
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2012-01-29 Lower Austria, district Gnserndorf, Danube National ParkThe European Pond Turtle remains in torpor when temperatures fall significantly below around 5 Celsius, but they don't stick to the mud and ground of ponds, as most people think (me too, I also thought so). It has been proven by zoologists that movement under the ice is nothing extraordinary at all, as I was told by
Maria Schindler (from Danube National Park management,
Emys preservation department): European Pond Turtles moving slowly under the ice are a normal occurrence - only thing is that it is difficult to make such observations, as you don't usually have ice as clear as we had this year, also ice could be covered by snow. Also, of course, this species is rather rare even in the National Park, so observations aren't an everyday occurrence even under best conditions.The only special thing about this shot then is that I was lucky finding some under clear ice, and even more so, as Maria Schindler told me, that not only grown-ups but also adolescent turtles were gathered here (a whole "family", so to speak).
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From Holbrook,
North American Herpetology, circa 1842 (public domain). This is a modified version of a plate from this work at the
Biodiversity Heritage Library. I cropped and cleaned up the image quite a bit--removing the yellow cast and enhancing contrast and color a little. More of these images are posted on
Wikimedia Commons, and I will be adding more as time allows.
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1 turtle drawing (5 x 8 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (18)g
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1 turtle drawing (12 x 23 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (22)g
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La Vallee Heureuse, Languedoc-Roussillon, France
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Wisconsin, United States
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1 turtle drawing (5 x 14 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (18)c
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1 turtle-head drawing (4 x 10 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (22)d
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2010.05.28 Vienna XXII. (heath 155 m AMSL).Tail (noticeably long with this species).German name: Europische Sumpfschildkrte
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Worcester County, Massachusetts
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2 turtle drawings (8 x 14 cm. and 8 x 13 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (18)h
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1 turtle drawing (8 x 20 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (22)i
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2008-06-06 Vienna XXII. district (Lobau national park, 155 m AMSL).It ought to be a female, as this is not their wet bayou habitat but a dry heath: they wander off to their egg-laying grounds at this time of year.German name: Europische Sumpfschildkrte
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great meadows nwr. concord, ma. status-- listed as "threatened species" in massachusetts (as well as illinois, iowa, minnesota, new york, and wisconsin. listed as "endangered" in maine, nebraska, south dakota, missouri, and nova scotia).
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1 turtle drawing (8 x 20 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (22)b
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Frederiksberg, Hovedstaden, Denmark
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Frederiksberg, Hovedstaden, Denmark
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Castello D'Empuries, Catalonia, Spain
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Castello D'Empuries, Catalonia, Spain