Mount Halla Ice Crawler vs Washburn's Rock Crawler

Side-by-side species comparison

Attribute Mount Halla Ice Crawler Washburn's Rock Crawler
Scientific Name Galloisiana koreana Grylloblatta washingtonensis
Order Grylloblattodea Grylloblattodea
Family Grylloblattidae Grylloblattidae
Size 15-25 mm 15-25 mm
Habitat Mountains Caves
Diet Detritivores Detritivores
Regions Asia Pacific Northwest, United States
Conservation Endangered Near Threatened

Mount Halla Ice Crawler

A Korean ice crawler restricted to the high elevations of Mount Halla on Jeju Island. It is nocturnal and emerges only during freezing conditions.

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Did You Know?

Climate warming directly threatens this species as its cold mountain habitat shrinks upward with no higher ground to retreat to.

Washburn's Rock Crawler

A pale, eyeless ice crawler found in the Cascade Range. It forages at night on snow surfaces in near-freezing temperatures.

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Did You Know?

Their eggs can take up to five years to hatch in the cold conditions where they live.