Early last autumn, I recorded the sounds of a beaver colony that had taken up residence in a nearby wetland. My venture was a success. Not only did I capture the scraping, chewing and moaning sounds of the beaver, I also documented periodic visits by barred owls, their resonant hoots echoing across the landscape.
Although I’m happy with my recordings, a drama was unfolding that concerned me … a drought had nearly dried up the wetland, forcing the colony to move upstream to the last remaining section with water. In what appeared to be a frantic bid to avoid catastrophe, the beaver quickly built a new dam, constructed a new den, and then began deepening the channel by shoving large amounts of mud on to the banks … clearly a “last-ditch effort” to preserve their aquatic environment.
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