19.009 Fotografii gratuite pentru Usfws

apăcercetarevirginia de vestpeștereptilăștiințăechipamentebarcăregnul animaliaflorida
Marine Mammal Stranding Course at NCTC-3
științăapă
Marine Mammal Stranding Course at NCTC-2
științăapă
Biologists in boat net Gulf sturgeon in river-1
echipamentebarcă
Marine Mammal Stranding Course at NCTC-1
științăapă
Marine Mammal Stranding Course at NCTC-1
științăapă
Marine Mammal Stranding Course at NCTC-1
științăapă
Volunteer holding a sub-adult humpback chub
voluntarpește
Biologists search for Fountain Darter-1
peșteapă
Marine Mammal Stranding Course at NCTC-2
regnul animaliaștiință
Marine Mammal Stranding Course at NCTC-2
regnul animaliaștiință
Carr Creek cutthroat trout
regnul animaliapește
Employee displays banded Hawai‘i creeper
animale sălbaticepasăre
Biologist shows front view of Gulf sturgeon in river
echipamentebarcă
Researchers track the movement of endangered Gray bats
chiropteremamifer
Marine Mammal Stranding Course at NCTC-1
mâncareștiință
Biologist in boat study Gulf sturgeon in river-1
echipamentebarcă
Marine Mammal Stranding Course at NCTC-1
științăapă
Biologists dip net Gila trout out of tank into buckets-5
parteneriatnew mexico
Marine Mammal Stranding Course at NCTC-2
științăapă
Biologists spawning trout-2
coloradopește
Delmarva Peninsula fox squirrel pit tagging-1
marylandmamifer
Fish Nutritionist checks quality control of fish food-1
echipamentepește
Biologist stocks Gila trout into Mineral Creek-4
pădurelemn
Marine Mammal Stranding Course at NCTC-3
științăapă
Marine Mammal Stranding Course at NCTC-4
mâncareștiință
Cryogenic tanks for Pallid sturgeon sperm-1
pește
Marine Mammal Stranding Course at NCTC-2
științăapă
Hatchling Gopher tortoise feeding-2
regnul animaliareptilă
Marine Mammal Stranding Course at NCTC-1
regnul animaliaștiință
Marine Mammal Stranding Course at NCTC-4
științăapă
Marine Mammal Stranding Course at NCTC-4
științăapă
Cryogenic tanks for Pallid sturgeon sperm-2
pește
Kids learning about the Monarch butterfly-4
insectetineret
Aerial view of Selawik National Wildlife Refuge-7
schimbare climaticăalaska
Marine Mammal Stranding Course at NCTC-2
științăapă
Biologist spawning trout-1
regnul animaliapește
Black-footed Ferret-1
animale sălbaticemamifer
USFWS Fisheries crew in boat preparing for lake sturgeon field work-4
vehiculpește
USFWS Fisheries crew in boat preparing for lake sturgeon field work-9
peșteapă
USFWS Fisheries crew in boat preparing for lake sturgeon field work-2
peșteapă
Biologists in boat study Gulf sturgeon in river
vehiculapă
Marine Mammal Stranding Course at NCTC-2
științăapă
Snorkeler searches for hellbenders
regnul animaliaapă
FWS biologist observes captive Devils Hole pupfish-3
pește
USFWS Fisheries crew in boat preparing for lake sturgeon field work-1
peșteapă
Biologists show length of Gulf sturgeon in river-1
barcăapă
Snorkeling for Eastern hellbenders
apărâu
FWS biologist observes captive Devils Hole pupfish-3
pește
Brown Noddy perched on a piece of wood
animale sălbaticepasăre
Biologists in boat study Gulf sturgeon in river-1
vehiculpește
Biologist conducts a swim test on a large Rainbow trout-2
echipamentepește
Biologist carrries a sedated Canada lynx
mamiferiarnă
FWS biologist observes captive Devils Hole pupfish-1
pește
Measuring the canines of a sedated lynx
mamifermonitor
Marine Mammal Stranding Course at NCTC-3
regnul animaliaștiință
Hatchling Gopher tortoises emerging from burrow to bask
regnul animaliareptilă
New shed
plantăcopii
Biologists search for Fountain Darter-1
arborepește
Tagged Monarch and child-1
regnul animaliafluture
Biologist conducts a swim test on a large Rainbow trout-1
montanapește
Close-up of hatchery fish
sub apăpește
Wyoming toad-2
cumpărăturimâncare
Marine Mammal Stranding Course at NCTC-1
științăapă
Tagged Monarch and child-2
regnul animaliafluture
Biologists show length of Gulf sturgeon in river-1
barcăapă
Tagged Monarch and child-2
regnul animaliafluture
Tagged Monarch and child-1
regnul animaliafluture
Biologist teaches children about the Monarch butterfly-1
insectetineret
Biologist shows front view of Gulf sturgeon in river-3
echipamentebarcă
Tagged Monarch and child-1
regnul animaliafluture
Fish Nutritionist checks quality control of fish food-1
peștelemn
Biologist teaches children about the Monarch butterfly-2
insectetineret
Tagged Monarch and child-1
regnul animaliafluture
Biologist conducts a swim test on a large Rainbow trout-2
montanapește
Biologists show length of Gulf sturgeon in river-1
barcăapă
Released Canada lynx stretches into a bound
animale sălbaticeregnul animalia
Female lynx looks around
mamiferiarnă
Close-up Monarch butterfly-2
regnul animaliafluture
Marine Mammal Stranding Course at NCTC-4
științăapă
Marine Mammal Stranding Course at NCTC-1
științăapă
Marine Mammal Stranding Course at NCTC-2
mâncareștiință
Biologist shows side view of a Gulf sturgeon in river
barcăapă
USFWS Fisheries crew in boat preparing for lake sturgeon field work-3
vehiculpește
USFWS Fisheries crew in boat preparing for lake sturgeon field work-1
vehiculpește
Loading Gila Trout onto Fish transportation truck
peștesemn
Collared Canada lynx pauses for a moment
mamiferiarnă
Biologist teaches children about the Monarch butterfly-4
insectetineret
Biologist working at Leadville National Fish Hatchery-1
coloradopește
Marine Mammal Stranding Course at NCTC-2
vehiculștiință
Gray wolf-2
regnul animaliaiarnă
Aerial view of Selawik National Wildlife Refuge-4
peisajalaska
Biologist shows front view of Gulf sturgeon in river-2
barcăapă
Biologist stocks Gila trout into Mineral Creek
vehiculapă
Directorate Fellowship Program intern holds a Laughing gull chick
massachusettspasăre
FWS biologist observes captive Devils Hole pupfish-2
pește
Biologist shows front view of Gulf sturgeon in river-2
barcăapă
Biologists secure boat along shoreline-2
peșteapă
Marine Mammal Stranding Course at NCTC-1
vehiculștiință
Biologist working at Leadville National Fish Hatchery
coloradopește
Biologists weigh a Gulf sturgeon in river
vehiculpește
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