Nick Garbutt / RF - Humpback whale (Megaptera novaeangliae) tail fluke at the surface with Mount Edgecumbe in the background, Sitka Sound, Alaska, USA, Pacific Ocean. (This image may be licensed either as rights man...
01745055
Nick Garbutt / RF - Bald eagle (Haliaeetus leucocephalus) in flight carrying Pacific herring (Clupea pallasii) prey, Sitka Sound, Alaska, USA. March. (This image may be licensed either as rights managed or royalty f...
01745052
Nick Garbutt / RF - Bald eagle (Haliaeetus leucocephalus) in flight, swooping down over Sitka Sound, Alaska, USA. March. (This image may be licensed either as rights managed or royalty free.)
01745042
Nick Garbutt / Humpback whales (Megaptera novaeangliae) lunge / bubble-net feeding, Sitka Sound, south east Alaska, USA. Pacific Ocean.
01745041
Nick Garbutt / Humpback whale (Megaptera novaeangliae) tail fluke at the surface, Sitka Sound, south east Alaska, USA, Pacific Ocean.
01745040
Nick Garbutt / Pod of Humpback whales (Megaptera novaeangliae) lunge / bubble-net feeding, Sitka Sound, south east Alaska, USA. Pacific Ocean.
01745039
Nick Garbutt / Pod of Humpback whales (Megaptera novaeangliae) lunge / bubble-net feeding with flock of Glaucous-winged gulls (Larus glaucescens) in flight above, Sitka Sound, south east Alaska, USA. Pacific Ocean.
01745038
Nick Garbutt / Humpback whale (Megaptera novaeangliae) tail fluke at the surface with snow-capped mountains in background, Sitka Sound, south east Alaska, USA, Pacific Ocean.
01745037
Nick Garbutt / Pod of Humpback whales (Megaptera novaeangliae) lunge / bubble-net feeding with flock of Glaucous-winged gulls (Larus glaucescens) in flight above, Sitka Sound, south east Alaska, USA. Pacific Ocean.
01745036
Nick Garbutt / Humpback whale (Megaptera novaeangliae) tail fluke at the surface with mountains in background, Sitka Sound, south east Alaska, USA, Pacific Ocean.
01744889
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) fishing for Pacific herring (Clupea pallasii), Sitka Sound, Alaska, USA, Pacific Ocean.
01744888
Nick Garbutt / Two Bald eagles (Haliaeetus leucocephalus) fishing for Pacific herring (Clupea pallasii), Sitka Sound, Alaska, USA, Pacific Ocean.
01744887
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) in flight over Sitka Sound with snow-covered mountains behind, Sitka, Alaska, USA. March.
01744885
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) in flight carrying Pacific herring (Clupea pallasii) prey, by-catch from commercial fishing operation, with fishing boat in the background, Sitka Sound. Sitka, Al...
01744884
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) fishing for Pacific herring (Clupea pallasii), Sitka Sound, Alaska, USA, Pacific Ocean.
01744883
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) catching Pacific herring (Clupea pallasii) prey at water surface, Sitka Sound, Alaska, USA. Composite image
01744882
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) in flight, swooping down over Sitka Sound with snow-covered mountains behind, Sitka, Alaska, USA.
01744878
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) in flight over Sitka Sound, Sitka, Alaska, USA.
01744875
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) in flight, swooping down over Sitka Sound, Sitka, Alaska, USA.
01744872
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) in flight, swooping down over Sitka Sound, Sitka, Alaska, USA.
01744871
Nick Garbutt / Bald eagle (Haliaeetus leucocephalus) in flight, swooping down over Sitka Sound, Sitka, Alaska, USA.
01744868
Nick Garbutt / Flock of Surfbirds (Aphriza virgata) in flight over water, Sitka Sound, Sitka, Alaska, USA.
01743636
Joel Sartore / Photo Ark / Spotted salamander (Ambystoma maculatum) portrait, Tennessee Aquarium, Chattanooga, Tennessee, USA. Captive.
01743635
Joel Sartore / Photo Ark / Spotted salamander (Ambystoma maculatum) portrait, Zoo Atlanta, Georgia, USA. Captive.
01743634
Joel Sartore / Photo Ark / Spotted salamander (Ambystoma maculatum) portrait, dorsal view, Zoo Atlanta, Georgia, USA. Captive.
01743633
Joel Sartore / Photo Ark / Four Eastern cottontail rabbits (Sylvilagus floridanus similis) juvenile, portrait, Northern Colorado Wildlife Center, Fort Collins, Colorado, USA. Captive.
01743632
Joel Sartore / Photo Ark / Eastern cottontail rabbit (Sylvilagus floridanus similis) portrait, Northern Colorado Wildlife Center, Fort Collins, Colorado, USA. Captive.
01743631
Joel Sartore / Photo Ark / Spotted salamander (Ambystoma maculatum) portrait, Zoo Atlanta, Georgia, USA. Captive.
01743630
Joel Sartore / Photo Ark / Eastern cottontail rabbit (Sylvilagus floridanus floridanus) portrait, from the wild near Vero Beach, Florida, USA.
01743629
Joel Sartore / Photo Ark / Eastern cottontail rabbit (Sylvilagus floridanus floridanus) portrait, from the wild near Vero Beach, Florida, USA.
01743628
Joel Sartore / Photo Ark / Eastern cottontail rabbit (Sylvilagus floridanus mallurus) juvenile, portrait, Carolina Wildlife Center, Columbia, South Carolina, USA. Captive.
01743627
Joel Sartore / Photo Ark / Eastern cottontail rabbit (Sylvilagus floridanus mallurus) juvenile, portrait, Carolina Wildlife Center, Columbia, South Carolina, USA. Captive.
01743626
Joel Sartore / Photo Ark / Three Eastern cottontail rabbits (Sylvilagus floridanus mallurus) juvenile, portrait, Carolina Wildlife Center, Columbia, South Carolina, USA. Captive.
Joel Sartore / Photo Ark / Desert cottontail rabbit (Sylvilagus audubonii baileyi) portrait, Omaha's Henry Doorly Zoo and Aquarium, Nebraska, USA. Captive.
01744631
Joel Sartore / Photo Ark / Eastern cottontail rabbit (Sylvilagus floridanus floridanus) portrait, from the wild, near Vero Beach, Florida, USA.
01744630
Joel Sartore / Photo Ark / Texas cottontail rabbit (Sylvilagus floridanus alacer) juvenile, portrait, Wildlife Center of Texas, Houston, Texas, USA. Captive.
01744629
Joel Sartore / Photo Ark / American pika (Ochotona princeps) portrait, Niwot Ridge Field Station, Colorado, USA. Captive.
01744628
Joel Sartore / Photo Ark / American pika (Ochotona princeps) portrait, Niwot Ridge Field Station, Colorado, USA. Captive.
01744627
Joel Sartore / Photo Ark / American pika (Ochotona princeps) portrait, Niwot Ridge Field Station, Colorado, USA. Captive.
01744622
Joel Sartore / Photo Ark / Los Angeles Basin brush rabbit (Sylvilagus bachmani cinerascens) portrait, Big Bear Alpine Zoo, California, USA. Captive.
01744621
Joel Sartore / Photo Ark / Riparian brush rabbit (Sylvilagus bachmani riparius) portrait, San Joaquin River National Wildlife Refuge, California, USA. Captive. Federally endangered.
01744620
Joel Sartore / Photo Ark / Riparian brush rabbit (Sylvilagus bachmani riparius) portrait, San Joaquin River National Wildlife Refuge, California, USA. Captive. Federally endangered.
01744619
Joel Sartore / Photo Ark / Riparian brush rabbit (Sylvilagus bachmani riparius) portrait, San Joaquin River National Wildlife Refuge, California, USA. Captive. Federally endangered.
01744618
Joel Sartore / Photo Ark / Western brush rabbit (Sylvilagus bachmani cinerascens) juvenile, portrait, Santa Barbara Wildlife Care Network, California, USA. Captive.
01744534
Joel Sartore / Photo Ark / Tennessee logperch (Percina apina) male, portrait, from Brush Creek, Lewis County, Tennessee, USA.
01744523
Joel Sartore / Photo Ark / Greenfin darter (Nothonotus chlorobranchius) male, portrait, from the South Fork of the Holston River, Virginia. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744522
Joel Sartore / Photo Ark / Greenfin darter (Nothonotus chlorobranchius) male, portrait, from the South Fork of the Holston River, Virginia. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744521
Joel Sartore / Photo Ark / Variegate darter (Etheostoma variatum) male, portrait, from the Lavisa Fork River, Virginia. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744520
Joel Sartore / Photo Ark / Variegate darters (Etheostoma variatum) pair, portrait, from the Lavisa Fork River, Virginia. Female, top. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744519
Joel Sartore / Photo Ark / Variegate darter (Etheostoma variatum) male, portrait, from the Lavisa Fork River, Virginia. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744518
Joel Sartore / Photo Ark / Greenfin darter (Nothonotus chlorobranchius) male, portrait, from the South Fork of the Holston River, Virginia. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744517
Joel Sartore / Photo Ark / Kanawha darter (Etheostoma kanawhae) male, portrait, from the New River drainage, Virginia. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744516
Joel Sartore / Photo Ark / Kanawha darters (Etheostoma kanawhae) pair, portrait, from the New River drainage, Virginia. Male top. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744515
Joel Sartore / Photo Ark / Sharpnose darter (Percina oxyrhynchus) male, portrait, from the New River drainage, Virginia. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744514
Joel Sartore / Photo Ark / Appalachia darter (Percina gymnocephala) male, portrait, from the New River drainage, Virginia. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
01744513
Joel Sartore / Photo Ark / Duck darter (Etheostoma planasaxatile) portrait, from the Little Duck River, Tennessee, USA.
01744512
Joel Sartore / Photo Ark / Blenny darter (Etheostoma blennius) portrait, from Brush Creek, Lewis County, Tennessee, USA. Captive.
01744511
Joel Sartore / Photo Ark / Saffron darter (Etheostoma flavum) female, portrait, from Brush Creek, Lewis County, Tennessee, USA. Captive.
01744510
Joel Sartore / Photo Ark / Blenny darter (Etheostoma blennius) portrait, from Brush Creek, Lewis County, Tennessee, USA. Captive.
01744509
Joel Sartore / Photo Ark / Buffalo darter (Etheostoma bison) portrait, from Brush Creek, Lewis County, Tennessee, USA. Captive.
01744508
Joel Sartore / Photo Ark / Saffron darter (Etheostoma flavum) male, portrait, from Brush Creek, Lewis County, Tennessee, USA. Captive.
01744507
Joel Sartore / Photo Ark / Fantail darter (Etheostoma flabellare) portrait, from Brush Creek, Lewis County, Tennessee, USA. Captive.
01744506
Joel Sartore / Photo Ark / Fringed darter (Etheostoma crossopterum) top, and Blackfin darter (Etheostoma nigripinne) portrait, from North Fork Creek, Bedford County, Tennessee, USA. Captive.
01744505
Joel Sartore / Photo Ark / Rainbow darter (Etheostoma caeruleum) male, from the Buffalo River, Lewis County, Tennessee, USA. Captive.
01744504
Joel Sartore / Photo Ark / Fringed darter (Etheostoma crossopterum) portrait, from North Fork Creek, Bedford County, Tennessee, USA. Captive.
01744503
Joel Sartore / Photo Ark / Blackfin darter (Etheostoma nigripinne) portrait, from North Fork Creek, Bedford County, Tennessee, USA. Captive.
01744502
Joel Sartore / Photo Ark / Coppercheeck darter (Nothonotus aquali) female, portrait, from the Buffalo River at the mouth of Grinder's Creek, Lewis County, Tennessee, USA.
01744501
Joel Sartore / Photo Ark / Striated darter (Etheostoma striatulum) male, portrait, from North Fork Creek, Bedford County, Tennessee, USA.
01744500
Joel Sartore / Photo Ark / Egg-mimic darter (Etheostoma pseudovulatum) male, portrait, from Sulphur Fork, part of Duck River drainage, Hickman County, Tennessee, USA.
01744489
Joel Sartore / Photo Ark / Texas raccoon (Procyon lotor fuscipes) male, portrait, Alexandria Zoological Park, Louisiana, USA. Captive.
01744484
Joel Sartore / Photo Ark / Eastern cottontail rabbit (Sylvilagus floridanus mallurus) juvenile, portrait, Carolina Wildlife Center, South Carolina, USA. Captive.
01744483
Joel Sartore / Photo Ark / Three Eastern cottontail rabbits (Sylvilagus floridanus mallurus) juvenile, portrait, Carolina Wildlife Center, South Carolina, USA. Captive.
01744482
Joel Sartore / Photo Ark / Lower Keys marsh rabbit (Sylvilagus palustris hefneri) portrait, from the wild, Key West, Florida, USA. Federally endangered.
01744481
Joel Sartore / Photo Ark / Lower Keys marsh rabbit (Sylvilagus palustris hefneri) portrait, from the wild, Key West, Florida, USA. Federally endangered.
01744480
Joel Sartore / Photo Ark / Lower Keys marsh rabbit (Sylvilagus palustris hefneri) portrait, from the wild, Key West, Florida, USA. Federally endangered.
01744479
Joel Sartore / Photo Ark / Lower Keys marsh rabbit (Sylvilagus palustris hefneri) head portrait, from the wild, Key West, Florida, USA. Federally endangered.
01744478
Joel Sartore / Photo Ark / Eastern mole (Scalopus aquaticus machrinoides) portrait, Nebraska Wildlife Rehab, Omaha, Nebraska, USA. Captive.
01744477
Joel Sartore / Photo Ark / Eastern mole (Scalopus aquaticus machrinoides) portrait, Nebraska Wildlife Rehab, Omaha, Nebraska, USA. Captive.
01744476
Joel Sartore / Photo Ark / Eastern mole (Scalopus aquaticus machrinoides) portrait, Nebraska Wildlife Rehab, Omaha, Nebraska, USA. Captive.
01744473
Joel Sartore / Photo Ark / South Florida molesnake (Lampropeltis calligaster rhombomaculata) male, coiled up, portrait, Zoo Atlanta, Georgia, USA. Captive.
01744472
Joel Sartore / Photo Ark / South Florida molesnake (Lampropeltis calligaster rhombomaculata) male, head portrait, Zoo Atlanta, Georgia, USA. Captive.
01744420
Joel Sartore / Photo Ark / Brooks' kingsnake (Lampropeltis getula brooksi) with tongue out, head portrait, Shell Factory and Nature Park, Florida, USA. Captive.
01744418
Joel Sartore / Photo Ark / Brooks' kingsnake (Lampropeltis getula brooksi) with tongue out, portrait, Shell Factory and Nature Park, Florida, USA. Captive.
01744412
Joel Sartore / Photo Ark / Two-striped garter snake (Thamnophis hammondii) coiled up with tongue out, portrait, San Diego Zoo Safari Park, California, USA. Captive.
01744409
Joel Sartore / Photo Ark / Chicago gartersnake (Thamnophis sirtalis semifasciatus) head portrait, Indianapolis Zoo, Indiana, USA. Captive.
01744408
Joel Sartore / Photo Ark / Chicago gartersnake (Thamnophis sirtalis semifasciatus) head portrait, Indianapolis Zoo, Indiana, USA. Captive.
01744407
Joel Sartore / Photo Ark / Chicago gartersnake (Thamnophis sirtalis semifasciatus) portrait, Indianapolis Zoo, Indiana, USA. Captive.
01744352
Jack Dykinga / Granite stone amid reflections on Colorado River beach inside the Grand Canyon near Fern Glen Canyon, Grand Canyon National Park, Arizona, USA.
01744351
Jack Dykinga / Merrick Butte and Sentinal Mesa shrouded in fog, Monument Valley, Navajo Tribal Park, Arizona, USA.
01744350
Jack Dykinga / Aspen trees (Populus tremuloides) at sunset on the slopes of Escudilla Mountain, Apache Sitgreaves National Forest, Arizona, USA.
01744342
Jack Dykinga / Cow parsnip (Heracleum lanatum) in flower with fog rising at sunrise over Absaroka Mountain range, Lamar Valley near Soda Butte Creek, Yellowstone National Park, Wyoming, USA.
01744341
Jack Dykinga / Tufts of grass on the playa at dawn with the Dragoon and Winchester Mountains in the background, Willcox, Arizona, USA.
01744340
Jack Dykinga / Manzanita (Arctostaphylos pungens) in flower surrounding a Century plant (Agave parryi) with Alligator juniper (Juniperus deppeana) cones in leaf rosette, Diamond Point, Tonto National Forest, Arizona...
01744339
Jack Dykinga / Diamond Point at sunset with Century plants (Agave parryi) and Desert ceanothus (Ceanothus greggii) in chapparal plant community, Diamond Point, Tonto National Forest, Arizona, USA.
01744338
Jack Dykinga / Alligator juniper (Juniperus deppeana) with twisted trunk in evening light, Sycamore Canyon, Kaibab National Forest, Arizona, USA.