Saturday, May 27, 2017

ECOVIEWS: Many animals make corkscrew burrows - Aiken Standard


Aiken Standard

ECOVIEWS: Many animals make corkscrew burrows
Aiken Standard
During the last quarter of a billion years or so, a variety of vertebrate animals have excavated deep, spiral-shaped burrows into the ground. Some of them went several feet straight down in a helix. Early paleontologists called them “devil's corkscrews ...



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