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| Beaver Scent Mound - Columbia River Feb. 14, 2011 |
Since beavers are primarily nocturnal they rely more on smell than visual communications.
February is the beaver’s breeding season and the time of year that male beavers are busy building scent mounds. The mounds are made of mud and are topped off with a yellowish secretion from the castor gland near the beaver’s tail. They are usually built near the edge of water and close to beaver lodges and trails. These scent mounds serve in warning off transient beavers that the territory is already occupied and prevents confrontations.
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| Beaver Lodge |
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| Beaver Trail |
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