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    • Egg Storage

    • Fish hatcheries; Fisheries management; Fishes;
    • After getting rinsed the eggs are placed in storage containers at the Carson National Fish Hatchery.
    • Carson National Fish Hatchery

    • Fish hatcheries; Fisheries management; Fishes;
    • Image of Carson National Fish Hatchery where eggs are rinsed and then stored.
    • Harvesting Eggs from Female Chinook

    • Fish hatcheries; Fisheries management; Fishes; Employees (USFWS);
    • Harvesting eggs from a female Chinook at the Carson National Fish Hatchery. Each female has between 3,800-4000 eggs.
    • FWS employee rinses eggs

    • Fish hatcheries; Fisheries management; Fishes; Employees (USFWS); Service patch; Uniforms
    • A FWS employee rinses eggs at the Carson National Fish Hatchery. Rinsing the eggs aids in fertilization.
    • Bucket of Rinsed Eggs

    • Fishes; Fisheries management; Fish hatcheries;
    • A bucket of rinsed eggs at the Carson National Fish Hatchery.
    • Rinsing Eggs

    • Fish hatcheries; Fisheries management; Fishes; Employees (USFWS);
    • Rinsing eggs at the Carson National Fish Hatchery. Rinsing helps fertilization occur.
    • Bucket Tags

    • Fish hatcheries; Fisheries management; Fishes;
    • Bucket tags used to label buckets at the Carson National Fish Hatchery. Each bucket is numbered and placed in corresponding holding containers.
    • Rinsing Eggs

    • Fish hatcheries; Fisheries management; Fishes; Employees (USFWS); service patch; uniforms;
    • Rinsing eggs at the Carson National Fish Hatchery. Rinsing helps fertilization occur.
    • Sign Advising Against Feeding the Wildlife

    • Invasive species; Signs; Wildlife refuges; Wildlife management; Wildlife impacts; Mammals; Rodents; Aquatic animals;
    • A sign on the Tualatin River National Wildlife Refuge advising visitors not to feed the wildlife; including the nutria.
    • Nutria habitat

    • Ponds; Wetlands; Invasive species; Mammals; Rodents;
    • A typical nutria habitat at the Tualatin River National Wildlife Refuge.
    • Tagging Nutria

    • Wildlife management; Wildlife refuges; Mammals; Rodents; Invasive species;
    • A collar is successfully put on a nutria on the Tuatalin River National Wildlife Refuge.
    • Caged Nutria is Covered to Keep Animal Calm During Tagging

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A sheet covers the caged nutria to keep it calm during the tail tagging. Tagging the animals will help biologists to better understand the nutria and prevent their spreading.
    • Nutria Health Exam

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging; Biologists (USFWS);
    • A nutria is examined before being tagged. Tagging the animals will help biologists to better understand nutria and prevent their spreading.
    • Collar Tag for Nutria

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A collar tag to be put on a nutria. It's designed stretch so it can be put on snugly and a nutria will neither get a limb stuck inside nor have trouble breathing. Tagging the animals will help biologists to better understand the nutria's habits and...
    • Nutria is Released Back Into the Water

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • The tagged nutria is released back into the water. Tagging the animals will help biologists to better understand the habits of nutria and prevent their spreading.
    • Trapped Nutria

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • These nutria were safely trapped the night before and will be tagged to learn more about their habits.

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