Everyone,
I suppose they're called "land" snails rather than "ground" snails, but
I'm always impressed when snails in our northerly climes go metres up
into a tree or other object, stick themselves to it, and "go to sleep."
Does anyone keep score on the heights terrestrial Gastropods reach? I
Here are a couple of high-climbing Cepaea nemoralis from this wet summer
in eastern Ontario.
fred.
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Bishops Mills Natural History Centre
Frederick W. Schueler & Aleta Karstad
RR#2 Bishops Mills, Ontario, Canada K0G 1T0
on the Smiths Falls Limestone Plain 44* 52'N 75* 42'W
(613)258-3107 <bckcdb at istar.ca> http://pinicola.ca
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18 June 2008
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Canada: Ontario: Grenville County: Oxford-on-Rideau: Buker Road Field,
0.1 km SSW Bishops Mills. 31B/13, UTM 18TVE 445.7 686.6 44.87115N
75.70133W. TIME: 1750-1826. AIR TEMP: 14, overcast, Beaufort light air,
light rain. HABITAT: shallow- bare-soil oldfield on limestone plain.
OBSERVER: Frederick W. Schueler. FWS08Jun181750/a, Cepaea nemoralis
(Mollusca). circa 30, mature & juvenile, quiescent, seen, photo. up to
372 cm up in bushy 20 cm DBH Ash tree. Twenty were above 2 m height.
These snails were exposed to view by cutting away a tall invasive
Rhamnus cathartica (Common Buckthorn). There were a few snails on the
Rhamnus, but not the clusters of them that were in the Ash.
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8 August 2008
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(Bishops Mills Store) TIME: 1538. AIR TEMP: 21, light rain, calm.
HABITAT: gravel/hedge/paved area around store building in rural village
on limestone plain. OBSERVER: Frederick W. Schueler. FWS08Aug081538/a,
Cepaea nemoralis (Mollusca). 3 adult, quiescent. large juv, 390 cm above
ground, under eves on vinyl siding of the Mill Street wall of the Store,
near the Main Street corner. Another large juv, and a mature snail,
lower down on the siding.
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