salmon run

Salmon run refers to the seasonal migration of salmon from the ocean back to freshwater rivers and streams where they were born. During this journey, which can cover hundreds of miles, salmon undergo physical changes to adapt to freshwater conditions. They navigate upstream to reach their spawning grounds. This migration is a critical part of their life cycle, allowing them to reproduce and ensure the continuation of their species. Salmon runs are often significant ecological events and can be observable as large, bustling movements of fish in various waterways.