Sockeye salmon swim in a stream at Kodiak National Wildlife Refuge in Alaska.

Two bright red fish --sockeye salmon -- swim in a stream surrounded by mountains at Kodiak National Wildlife Refuge in Alaska.

Sockeye salmon swim in a stream at Kodiak National Wildlife Refuge in Alaska.

Sockeye salmon swim in a stream at Kodiak National Wildlife Refuge in Alaska.
Image
Photo By/Credit
Katrina Liebich/USFWS
Recreational Activity
Media Usage Rights/License
Public Domain
Subject tags
Animal migration
Environmental education
Marine ecology