3,856 Free Photos of Threatening

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

Salamander House

Gray Wolf Health Examination

wildlife mammals

Indiana bat-2

animals mammals

Swamp pink plant

flowering plant plants

Lesser Prairie-Chicken Conservation meeting

new mexico meeting

Cave opening at Carters Cave

Lange's Metalmark butterfly

butterfly animals

Greater sage-grouse-1

Okaloosa darter-1

Persian Onager-2

animals mammals

Gulf sturgeon-1

‘I‘iwi adult

Juvenile Chinook salmon-2

Piping plover

San Marcos Salamander

Mountain lion

animals mammals

Louisiana Black bear-1

wildlife animals

Pair of Nēnē in the water

Gulf sturgeon caught in net

Fountain darter

Turtle egg relocation

south carolina reptiles

Pallid sturgeon-2

underwater fish

Dolly Varden-2

Dolly Varden-1

Polar Bear and a Barrier Island

animals mammals

California condor-1

california raptor

Perdido Key beach mouse-3

animals rodents

Indiana bat-2

Pallid sturgeon-1

underwater fish

Oregon chub

Quino Checkerspot butterfly-1

Sonoran Desert Tortoise-1

reptiles animals

Pallid sturgeon-1

underwater fish

Great Egret-2

Barton Springs Salamander-3

amphibian animals

Inserting nest box for endangered Red-cockaded woodpecker

African lions and cubs at sunset

Hungerford's Crawling Water Beetle

michigan insects

Gulf sturgeon-2

Panama City crayfish-4

American Alligator-1

American alligator-3

wildlife reptiles

Juvenile Chinook salmon-2

Chinook salmon

Female loggerhead turtle

reptiles animals

Barton Springs Salamander-1

amphibian animals

American paddlefish

Dolly Varden-1

Antenna system to identify bats

Piping Plover

massachusetts bird

Mountain yellow-legged frog eggs

San Marcos Salamander-1

Puerto Rican nightjar with chicks

Service biologist Sue Cameron

Dolly Varden-11

Indiana bat-1

animals mammals

Panama City crayfish-2

underwater crustacean

Gulf sturgeon-2

Bactrian Deer-1

wildlife animals

Miami Blue Butterfly-1

butterfly animals

Juvenile Condor

Snow Leopard Skin

wildlife animals

Dolly Varden-5

Salamander House-2

Salamander House-2

Piping Plover nest

north dakota bird

Salamander House-2

Mexican wolf

wildlife animals

American Crocodile

Black rhino-3

Chinook salmon-1

Florida panther track

Wood Stork-1

Chinook salmon-4

Canada lynx kitten-1

wildlife animals

Lesser Prairie-Chicken Conservation meeting-4

new mexico meeting

Steller sea lions

Puerto Rican boa-2

wildlife reptiles

Dolly Varden-1

Loggerhead turtle nest

reptiles animals

Researchers examining Hine's emerald dragonfly

Greater sage-grouse-1

White rhino monitoring

Canada Lynx kitten

wildlife animals

Timber rattlesnake (yellow morph)

wildlife reptiles

Siskiyou Mariposa Lilly

flowering plant california

Ash Meadows naucorid-4

Puerto Rican nightjar-3

Lake sturgeon-2

Whooping Crane with Sandhill Cranes

Barton Springs Salamander-1

wildlife animals

Vernal Pool fairy shrimp

crustacean california

Greater sage-grouse-2

Dead loggerhead sea turtle embryo

reptiles erosion

Osterhout milk-vetch pods

Blunt-Nosed Leopard lizard

reptiles animals

Dolly Varden-2

Healthy Indiana bats

animals mammals

West Virginia northern flying squirrel-10

wildlife animals

Indiana bat-2

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