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10

Most likely a Caddisfly. They make homes of twigs and stones. CADDISFLY: The caddisfly lives only a short time as an adult but may spend several years as a larva. Many larvae can do something few aquatic insects can – they build their own shelter. Different kinds of caddisflies build different types of homes. Some species build homes of leaves ...


7

Possibly crayfish burrows or "chimneys". Identifying by burrow holes can be tricky though. Are they near any water? That would increase the likelyhood that they are crayfish burrows. Similar examples: http://www.pbase.com/red_slough_wma/image/142389118 Crawfish chimneys are smokestack-looking stacks of mud that appear in fields and yards in the ...



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