By A Mystery Man Writer
The rise of "mud chimneys" produced by Burrowing Crayfish has long been one of my favorite harbingers of spring. I've recently observed several of these mud edifices peaking just above turfgrass in southwest Ohio. While none had yet reached catastrophic lawn mower blade-bending size; spring is definitely in the air.
Burrowing crayfish (a) can have highly specialized preferences for soil
Procambarus clarkii (red swamp crayfish)
John photos, images, assets
Osage Burrowing Crayfish (Procambarus liberorum) · iNaturalist
Research on the physiological tolerance limits of crayfishes has been
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Dandenong Burrowing Crayfish in Cool Temperate Rainforest
Tiny burrowing crayfish not seen in decades found alive and well in Tasmania, The Examiner
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Crawfish biology
Burrowing Crayfish Rise - Crawdad Chimney Side View Stock Photo