Zion National Park Accommodations, Hotels, Vacation Rentals & Lodging

#zioncanyon #utah #freshwatersnail #macro
Zion Canyon is one of the many spectacular sandstone canyons carved out of the Colorado
plateau. Though it is a desert, water carved this land, removing material over the millennia, cutting deep through the sandstone. This flowing water has formed a land rich in amazing formations such as the subway and the zion narrows. Water also has created one of Zion’s most unique habitats, the hanging gardens. Here water flows from the rock. American dippers build their nests among the plants clinging to the wall. Ripple bugs skitter about, and Long-jaw orbweavers spin webs to trap any insects coming in for a drink.
However, one species here is a little more emblematic and special, the Zion Snail. This tiny snail is endemic to hanging gardens in only a 3 mile stretch of canyon. Grazing on algae, they move slowly along the rockface. Its foot is unusually large, giving it more powerful suction in this vertical habitat with flowing water. Likewise its thin, smooth shell helps reduce drag, being similar to many unrelated stream dwelling snails. Usually specimens encountered are very small, only the size of a pinhead, but some get to grow a bit larger, though still smaller than a kernal of corn. They were described in 1925, just 6 years after Zion national park was established, by malacologist Henry Pilsbry who was very excited by his discovery of this snail living in these unique habitats.

Oliver, G. V. and Bosworth, W. R. III. (1999). Rare, Imperiled, and Recently Extinct or Extirpated Mollusks of Utah: A Literature Review. Utah Division of Wildlife Resources. Publication Number 99-29.
Pilsbry, H. A. (1925) A Fresh-Water Snail, Physa zionis, Living under Unusual Conditions. Proceedings of the Academy of Natural Sciences of Philadelphia
Vol. 77 (1925), pp. 325-328

Arcadia – Wonders by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100326
Artist: http://incompetech.com/
and Angelic Forest by Doug Maxwell/Media Right Productions

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This is Backyard Expeditions. Here you can find wildlife footage and short documentaries on the natural world. Nature is full of surprises, often amazing things are happening just feet from you door. I am a biology student who was inspired by the likes of the BBC natural history unit, PBS, and animal planet as a Child. I have also long been a hobbyist photographer, filming interesting things over time. My goal is to document interesting behavior and highlight interesting species I encounter both in exotic locations, and on backyard expeditions.

Underwater Worlds

Journey through the Undergrowth (Macro footage of insects and Arachnids)

Birding Playlist

Conservation Playlist

also Check Out my Photography Adventure Blog https://johnjacksonphoto.blogspot.com/
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2 replies
  1. BioBush
    BioBush says:

    Your use of macro videography is SO cool! I admire your patience and care as you bring us inspiring stories from a different size scale. Also, Zion looks great! Thanks for bringing us along on your adventures!


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