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First salmon in a century spotted in waters once blocked by a dam in California
(www.sfchronicle.com)
this post was submitted on 05 Oct 2024
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Aren't salmon renowned for returning to the river of their birth? How did they return to a river they couldn't have used for a generation? Salmon, have you been lying to biologists all this time?
Generally, salmon have a certain amount of variance in the location they migrate to. A certain percentage of the population varies from the birth location and tries new places. This is probably an adaptation that provides the larger population with greater resilience!
This, and they may have released smolts there after removing the dam.