3,975 Free Images of Threatening

endangered and/or threatened species fish animals wildlife refuge water underwater wildlife fish hatcheries alaska bird

Northern Aplomado Falcon-1

Northern aplomado falcon

Palos Verdes Blue butterfly

butterfly animals

Double-crested cormorants-10

Gulf sturgeon

Biologists net a Panama City crayfish-1

crustacean florida

Atlantic Sturgeon-1

American Alligator-1

Juvenile Chinook salmon-1

Yellowcheek darter

Biologists net a Panama City crayfish-1

crustacean florida

Biologists hold a Panama City crayfish-1

crustacean florida

Panama City crayfish-1

American paddlefish leucistic-1

Sockeye salmon-1

underwater fish

Chinook salmon-2

Biologists weigh a Gulf sturgeon

Pallid Sturgeon-1

underwater fish

Wyoming toads

reptiles animals

Shortnose sturgeon-1

Barton Springs Salamander-1

wildlife animals

Roseate Tern-1

Longnose Gar-2

Juvenile Chinook salmon-2

Baby loggerhead turtles hatching at night-1

Humpback whale breaching

Caribbean roseate tern

wildlife flight

Copperbelly water snake

reptiles illinois

Spectacled eider female on nest

San Diego button celery

Pair of Nēnē

California Tiger Salamander along fence

california reptiles

Texas Blind Salamander-3

reptiles animals

Chinook salmon migrating-2

Wood stork

Barton Springs Salamander-1

underwater animals

Ash Meadows Invesia

wildflower nature

Green Sea Turtle Nesting

Gulf sturgeon-1

Greater sage-grouse-1

Mona Island iguana

wildlife animals

Puerto Rican parrot-2

‘I‘iwi

Juvenile Chinook salmon-3

Lake sturgeon-3

San Marcos Salamander-1

Hine's emerald dragonfly ready for examination by researchers-1

Netting Atlantic salmon

Chinook salmon migrating-2

Hawaiian goose Nene

Greater sage-grouse-3

Dolly Varden-2

Dolly Varden-1

Lake sturgeon-2

California seablite

Chinook salmon-5

Greater sage-grouse-2

Pallid sturgeon-4

underwater fish

Panama City crayfish-2

animals insects

Baby loggerhead turtle-3

volunteer reptiles

Close up of Leatherback turtle-1

reptiles animals

Indiana bat-3

animals mammals

‘Apapane

Barton Springs Salamander-2

wildlife animals

Sockeye salmon-1

Texas Wild Rice-1

Two Canada Lynx kittens

wildlife animals

Chinook salmon migrating-4

Greater sage-grouse-1

Bull Trout-7

underwater fish

Baby loggerhead turtles hatching at night-2

Juvenile woodstork

Releasing the smolts

Pallid sturgeon-4

underwater fish

Confiscated wildlife-4

wildlife animals

Pallid sturgeon-5

underwater fish

Polar bear-1

marine mammal mammals

Pallid Sturgeon-1

Dolly Varden-2

Chinook salmon-2

Mountain yellow-legged frog-2

amphibian mountain

Juvenile Chinook salmon-3

Pallid Sturgeon-3

Pair of polar bears

marine mammal animals

Getting a closer look at the Lyon's pentachaeta

california plants

Cheat Mountain salamander-1

amphibian reptiles

Mountain yellow-legged frog-5

amphibian mountain

Northern aplomado falcon-1

birds of prey bird

Gray Wolf - radio collared wolf released

wildlife mammals

Indiana bat-2

Chinook salmon migrating-1

Sockeye salmon-4

Pallid Sturgeon-1

Gila Trout Transport

Pallid Sturgeon-3

Gila trout-2

partnership new mexico

Diamondback terrapin

reptiles animals

Pallid sturgeon-8

underwater fish

Fish and Wildlife Service employee Carolyn Wells tagging spreading avens

landscape plants

Sockeye salmon-1

601 - 700 of 3,975 Next page

/ 40