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    • Yolo Bypass

    • Yolo Bypass
    • Rivers and streams; Water management;
    • The Yolo Bypass serves as part of a system to prevent flooding in the Sacramento Valley. Weirs connect the bypass to the Sacramento River. The water is eventually drained into the Sacramento-San Joaquin Delta.
    • Yolo Bypass

    • Yolo Bypass
    • Water management; Rivers and streams;
    • The Yolo Bypass serves as part of a system to prevent flooding in the Sacramento Valley. Weirs connect the bypass to the Sacramento River. The water is eventually drained into the Sacramento-San Joaquin Delta.
    • Jetbead removal

    • Jetbead removal
    • Plants; Invasive species; Habitat restoration; Training; Vegetation; Work of the Service;
    • A student enrolled in WLD2139 Invasive Plant Management, a course offered at the USFWS National Conservation Training Center removes jetbead, an invasive exotic shrub from Asia most likely spread from landscape plantings. This student tried to get...
    • Nutria Health Exam

    • 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

    • 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

    • 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.
    • Baited trap used to capture nutria

    • Baited trap used to capture nutria
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A trap baited with carrots and apples awaits a nutria to venture out of the water and investigate. The animals are trapped in order to tag them to better understand the habits of nutria and to prevent their spreading.
    • Anesthetizing Nutria Prior to Tagging

    • Anesthetizing Nutria Prior to Tagging
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging; Biologists (USFWS);
    • A nutria is given a shot to put it to sleep while the collar is measured. Tagging the animals will help biologists to better understand the nutria as well as prevent their spreading.
    • Weighing Caged Nutria

    • Weighing Caged Nutria
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging; Biologists (USFWS);
    • Every nutria is weighed before tagging. Tagging the animals will help biologists to better understand the habits of nutria and prevent their spreading
    • Nutria Health Exam

    • Nutria Health Exam
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A nutria is given a health exam before being tagged. Tagging the animals will help biologists to better understand nutria and prevent their spreading.
    • Tagged Nutria

    • Tagged Nutria
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A collar is successfully attached to the nutria. Tagging the animals will help biologists to better understand the nutria and to prevent their spreading.
    • Nutria tags are prepared

    • Nutria tags are prepared
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging; Biologists (USFWS);
    • Biologists prepare a tag for a nutria. The animals are trapped in order to tag them to better understand the habits of nutria and to prevent overpopulation.
    • Captured nutria awaits tagging

    • Captured nutria awaits tagging
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A nutria in a cage waits to get a tail tag. Tagging the animals will help biologists better understand the animal and prevent their spread.
    • Tule Fall Chinook Females

    • Tule Fall Chinook Females
    • Fish hatcheries; Fisheries management; Fishes; Work of the Service;
    • Tule fall Chinook females being bled out. Without this step blood can fix with the eggs and prevent fertilization.
    • Predator Control

    • Predator Control
    • Predator control; Wildlife refuges; Employees (USFWS); history; uniforms; service patch;
    • A U.S. Fish and Wildlife Service employee prepares a device to prevent predators from preying on nesting birds and their eggs.
    • Zebra mussels on rudder

    • Zebra mussels on rudder
    • Invasive species; Aquatic environments;
    • Zebra mussels can attach themselves to boats and thereby inadvertantly be transferred to different waterways where they spread. Important for boaters in infected areas to be sure to careful clean their boat hulls/rudders, etc to prevent the spread...
    • Purple Loosestrife

    • Purple Loosestrife
    • Plants; Plants; Flowering plants; flowers; invasive; invasives; Aquatic environments; nuisance;
    • Boaters, anglers, and waterfowl hunters can help prevent further spread of aquatic invasive species. For more information on the zebra mussel go to : http://protectyourwaters.net/

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