5,978 Free Images of Endangered

endangered and/or threatened species fish water work of the service wildlife refuge animals biologists(usfws)wildlife aquatic environment underwater

Bengal Tiger cub

wildlife animals

American Crocodile and American Alligator

Razorback sucker-1

Hatchling Gopher tortoises emerging from burrow to bask

reptiles animals

Pallid Sturgeon-1

Ash Meadows Amargosa pupfish-1

Biologists show length of Gulf sturgeon in river-6

Pagosa skyrocket flowers

Ash Meadows Amargosa pupfish-1

Hine's emerald dragonfly larvae in shallow water-4

arthropod animals

FWS biologist observes captive Devils Hole pupfish-3

Juvenile pallid sturgeon -5

FWS biologist observes captive Devils Hole pupfish-1

Razorback sucker-2

Snorkeling for Eastern hellbenders

FWS biologist observes captive Devils Hole pupfish-3

Southern Sea otter settling in for a nap

animals mammals

Biologists show length of Gulf sturgeon in river-1

Biologists weigh a Gulf sturgeon in river

Man holds Trumpeter swan during demonstration

Juvenile Gopher tortoise after digging burrow

Biologists in boat study Gulf sturgeon in river-1

Florida manatee-2

Pallid Sturgeon-4

Green sea Turtle

Young couple fishes on the Columbia River

Snorkeler searches for hellbenders

Pallid Sturgeon-2

FWS biologist observes captive Devils Hole pupfish-3

Ash Meadows Amargosa pupfish-2

Giant panda eating bamboo

cartoon animals animals

Ili pika

wild animals animals

Razorback sucker-2

Candy darter

FWS biologist observes captive Devils Hole pupfish-2

Biologist shows front view of Gulf sturgeon in river-1

Candy darter-1

Black-footed Ferret release site

landscape travel

Island marble butterfly-5

landscape nature

Dudley Bluffs bladderpod

Florida manatee-1

Traditional dip netting-4

Biologist carrries a sedated Canada lynx

Ash Meadows Amargosa pupfish-1

Fishing on the Columbia River-1

Swamp Pink

butterfly animals

Biologists display spine of Gulf sturgeon in river-2

Biologists secure boat along shoreline-2

Pair of Wood storks-2

Mission Blue butterfly-1

Razorback sucker-1

Yakama tribal member with traditional dip net

Delmarva Peninsula fox squirrel-1

animals mammals

FWS biologist observes captive Devils Hole pupfish-2

Ash Meadows Amargosa pupfish-1

Barrier protects mountain yellow-legged frogs from nonnative tro

landscape water

Willamette Daisy

Biologists deploy a GPS elk collar on a cow elk

Photographer captures anglers with their fresh catch

Recreational boating along the Columbia River-2

California Condor released at Hopper Mountain NWR

landscape mountain

Pallid sturgeon-3

Southern Sea otter with green crab

Delmarva Peninsula fox squirrel pit tagging-1

maryland mammals

Pallid sturgeon juvenile yearling-1

Biologist shows front view of Gulf sturgeon in river-2

Biologist stocks Gila trout into Mineral Creek

Candy darter-1

Biologists secure boat along shoreline

American paddlefish and Pallid sturgeon

underwater fish

Public access fishing area

Southern sea otter with her pup in Moss Landing

Yakama tribal member with traditional dip net-4

Canyon at San Diego National Wildlife Refuge

Biologist shows front view of Gulf sturgeon in river-3

Working on a sedated lynx in the field

Pallid Sturgeon-13

Raft of Southern Sea Otters

Razorback sucker

Hawksbill sea turtle

Yakama tribal member with dip net pully system

Razorback sucker-1

Candy darter-1

Barrier protects mountain yellow-legged frogs from nonnative tro-6

landscape water

Pallid Sturgeon-1

Two year old pallid sturgeon

Rafinesque's big-eared bat

Gray wolf-2

Mountain golden heather blooms

Fishing near a small town along the Columbia River-2

Polar bear

Angler holds a Fall Chinook salmon

Attaching a small satellite GPS collar on a sedated lynx

Collared lynx exits the trap

wildlife animals

Black-footed Ferret-1

wildlife mammals

Fishing near a small town along the Columbia River-2

Service biologist,Claire Ellwanger, counts green pitcher plants

Razorback sucker-1

Ash Meadows gumplant

Fishing near a small town along the Columbia River

1601 - 1700 of 5,978 Next page

/ 60