seagulls scavaging on spawning salmon in the stave river downstream of the ruskin dam at hayward lake near mission, bc, canada

british canada coast columbia creek dam dead district downstream ducks ecological ecosystem enhancement fall fauna fish fishing flora forest fraser grass grounds habitat hayward lake landscape mission natural nature outdoors park reserve reservoir returning river run ruskin salmon salmonid scavaging seagulls season society spawning species sports stave trees valley water watershed wbirds west wetlands