Creature Craftsmanship
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I am continuously fascinated by the ability of how creatures, even the smallest such as this caterpillar, defend themselves by constructing their own protective haven. Caterpillars have long body hair which, when they begin to spin their cocoon, pluck them and together with silk, form protective domes.
The caddisfly are the underwater architects that create similiar protection with their use of silk along with gravel, sand, twigs and aquatic vegetation as they are found in running water of streams, rivers and ponds.