Jack Dykinga / Granite Boulders in canyon, Little Dragoon Mountains in background in sunset light, Texas, USA, August.
01516806
Cyril Ruoso / South american sea lion (Otaria byronia) and American fur seal (Arctocephalus australis) hauled out on the shore of Punta Coles Reserve, Peru.
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Nick Garbutt / South American sea lion (Otaria flavescens) rookery on coastal rocks. Straits of Magellan, Patagonia, Chile. December.
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Karine Aigner / Florida resident Devin Belliston holds his pet Argentine black and white tegu (Salvator merianae) 'Rock' on his shoulder. Rock was wild caught as a yearling in Florida, however this species is...
01624423
Karine Aigner / Five year old boy holding his pet Argentine black and white tegu (Salvator merianae) 'Rock' on his shoulder. Rock was wild caught as a yearling in Florida, however this species is invasive in...
01624410
Karine Aigner / Five year old boy walking his pet Argentine black and white tegu (Salvator merianae) "Rock". Rock was wild caught as a yearling in Florida, however this species is invasive in the wild. Florida, USA....
01624408
Karine Aigner / Florida resident Devin Belliston holding his pet Argentine black and white tegu (Salvator merianae) 'Rock'. Tegus are an invasive species in Florida, Rock was wild caught as a yearling, Florid...
01628649
John Chan / Male California least tern (Sternula antillarum browni) offering female a fish during courtship, Southern California, USA, June.
01607208
David Fleetham / California spiny lobster (Panulirus interruptus) on sea floor. Santa Barbara Island, California, USA.
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John Cancalosi / Schist, metamorphic rock, Virginia.
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John Cancalosi / Leesburg limstone conglomerate, sedimentary rock, Frederick county, Maryland, USA. January.
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John Cancalosi / Leesburg conglomerate rock, a grey carbonate pebble conglomerate in a red sand-silt matrix. Leesburg , Virginia, USA.
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John Abbott / Jumping bristletail (Machiloides banksi) on white background, Tuscaloosa County, Alabama, USA September
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John Cancalosi / Leesburg Limestone Conglomerate from Frederick county Maryland, USA. Consists of fragments of lower Paleozoic limestone, dolomitic limestone, quartzite, quartz, schist, slate, and greenstone in a clay...
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John Cancalosi / Leesburg Limestone Conglomerate from Frederick county Maryland, USA. Consists of fragments of lower Paleozoic limestone, dolomitic limestone, quartzite, quartz, schist, slate, and greenstone in a clay...
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John Cancalosi / Leesburg Limestone Conglomerate close-up showing clasts, Frederick county, Maryland, USA, June.
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John Cancalosi / Conglomerate or puddingstone, a sedimentary rock. From Tennessee.
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John Cancalosi / Green frog (Lithobates clamitans) Virginia, USA, April.
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John Cancalosi / White-tailed deer (Odocoileus virginianus) fawn, Virginia, USA. July.
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John Cancalosi / Shenandoah salamander (Plethodon shenandoah) Shenandoah National Park, Virginia, USA, July.
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John Cancalosi / Shenandoah salamander (Plethodon shenandoah) Virigina, USA, July.
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John Cancalosi / Leesburg Limestone Conglomerate close-up showing clasts from Frederick County, Maryland, USA. From Triassic Period.
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John Cancalosi / White-tailed deer (Odocoileus virginianus) doe, Virginia, USA, July.
01548725
John Cancalosi / White-tailed deer (Odocoileus virginianus) buck in velvet with radio collar, Virginia, USA, July.
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John Cancalosi / American toads (Bufo americanus) pair in amplexus, laying eggs, Maryland, USA, May.
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John Cancalosi / American toads (Bufo americanus) pair in amplexus, laying eggs, Maryland, USA, May.
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John Cancalosi / American toads (Bufo americanus) pair in amplexus, laying eggs, Maryland, USA, May.
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John Cancalosi / American toads (Bufo americanus) pair in amplexus, Maryland, USA, May.
01548719
John Cancalosi / American toads (Bufo americanus) pair in amplexus, Maryland, USA, May.
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John Cancalosi / Laughing gull (Leucophaeus atricilla) in flight, Mississippi gulf coast, USA. March.
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Cyril Ruoso / Great plains narrowmouth toad (Gastrophryne olivacea) and Tarantula (Aphonopelma sp) sharing shelter under a rock, South Texas, USA, April.
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John Abbott / Giant darner dragonfly (Anax walsinghami) male resting on rock, Big Bend State Natural Area, Texas, USA, September
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John Abbott / American rubyspot (Hetaerina americana) male resting on rock, Texas, USA, October.
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Steven David Miller / Oak toad (Bufo quercicus) on a rock, O'Leno State Park, High Springs, Florida, USA. October.
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Cyril Ruoso / Guanay cormorant (Phalacrocorax bougainvilli) flock flying over American fur seals (Arctocephalus australis) resting, Peru.
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John Cancalosi / Leesburg conglomerate rock, sedimentary polymictic conglomerate. Formed in the rift valley formed when the African plate split from the North American plate in the Triassic, found near Leesburg, Virgi...
01513349
John Cancalosi / Leesburg conglomerate rock, sedimentary polymictic conglomerate. Formed in the rift valley formed when the African plate split from the North American plate in the Triassic, found near Leesburg, Virgi...
01513353
John Cancalosi / Leesburg conglomerate rock, sedimentary polymictic conglomerate. Formed in the rift valley formed when the African plate split from the North American plate in the Triassic, found near Leesburg, Virgi...
01513352
John Cancalosi / Foliated gneiss, metamorphic rock, Maryland, USA.
01513327
John Cancalosi / Leesburg conglomerate rock, sedimentary polymictic conglomerate. Formed in the rift valley formed when the African plate split from the North American plate in the Triassic, found near Leesburg, Virgi...
01513351
John Cancalosi / Foliated gneiss, metamorphic rock, Maryland, USA.
01506464
John Cancalosi / Leesburg conglomerate rock, Leesburg, Virginia, USA.
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John Cancalosi / Leesburg conglomerate rock, Leesburg, Virginia, USA.
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John Cancalosi / Leesburg conglomerate rock, Leesburg, Virginia, USA.
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John Cancalosi / Foliated gneiss, Maryland, USA, metamorphic rock.
01501894
John Cancalosi / Leesburg conglomerate, Leesburg, Virginia, USA.
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John Cancalosi / Foliated gneiss, Maryland, USA.
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John Cancalosi / Fluorite, Elmwood mine, Smith county, Tennessee, USA.
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Pete Oxford / Common mudpuppy (Necturus maculosus) underwater. Hiwassee River, Cherokee National Forest, Tennessee, USA, July.
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Pete Oxford / Eastern hellbender (Cryptobranchus alleganiensis alleganiensis) in Hiwassee River, Cherokee National Forest, Tennessee, USA, July.
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Pete Oxford / Eastern hellbender (Cryptobranchus alleganiensis alleganiensis) Hiwassee River, Cherokee National Forest, Tennessee, USA, July.
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Pete Oxford / Eastern hellbender (Cryptobranchus alleganiensis alleganiensis) Hiwassee River, Cherokee National Forest, Tennessee, USA, July.
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Pete Oxford / Eastern hellbender (Cryptobranchus alleganiensis alleganiensis) in stream. Coopers Creek, Chattahoochee National Forest, Georgia, USA, July.
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Pete Oxford / Eastern hellbender (Cryptobranchus alleganiensis alleganiensis) Hiwassee River, Cherokee National Forest, Tennessee, USA, July.
01475552
Gabriel Rojo / RF- South American sea lion (Otaria flavescens) pup, Punta Norte Nature Reserve, Valdes Peninsula, Chubut, Patagonia, Argentina. (This image may be licensed either as rights managed or royalty free.)
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Gabriel Rojo / South American sea lion (Otaria flavescens) pup playing with stone, Valdes Peninsula, Chubut, Patagonia, Argentina.
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Gabriel Rojo / South American sea lions (Otaria flavescens) hauled out on rock. Valdes Peninsula, Chubut, Patagonia, Argentina.
01470800
Floris van Breugel / White corals scattered on black lava rocks polished by the ocean and the Milky Way, southern Maui, Hawaii. July 2011.
01471631
Jack Dykinga / Balanced Rock in the Grapevine Hills at dawn, Big Bend National Park, Texas, USA.
01457314
Kirkendall-Spring / Rock climber on a route called 'Any Major Dude' along the Ledge Spring Trail in Pilot Mountain State Park. North Carolina, USA, October 2013. Model released.
01457331
Kirkendall-Spring / American stars and stripes flag on top of Chimney Rock in Chimney Rock State Park. North Carolina, USA, October 2013.
01457332
Kirkendall-Spring / American Stars and stripes flag on top of Chimney Rock in Chimney Rock State Park. North Carolina, USA, October 2013.
01443060
Floris van Breugel / Colorful lichens adorn the bizzare rhyolite formations in southern Bennett Hills. Idaho. April 2013
01443058
Floris van Breugel / Bizzare sculptures of basalt formed through thousands of years of erosion, Snake River Valley, southern Idaho. This particular piece was likely formed sometime in the Pliocene period about 2-3 million...
01350335
Rolf Nussbaumer / RF- Common Poorwill (Phalaenoptilus nuttallii) adult on nest camouflaged. South Texas, USA. April. (This image may be licensed either as rights managed or royalty free.)
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Pete Oxford / Southern sealion (Otaria flavescens) female, on rock at sea's edge, Kidney Island, Falkland Islands
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Pete Oxford / South American Sea Lion (Otaria flavescens) group resting on rock, Kidney Island, Falkland Islands
00790048
Luciano Candisani / South American Sea Lion (Otaria flavescens) group resting on rocks, Valdes Peninsula, Patagonia, Argentina
01746853
John Cancalosi / RF - Northern red-bellied turtle (Pseudemys rubriventris) basking on top of a rock in lake, Maryland, USA. April. (This image may be licensed either as rights managed or royalty free.)
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Joel Sartore / Photo Ark / Rock bass (Ambloplites rupestris) portrait, from the wild, Little River, near Maryville, Tennessee, USA.
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John Cancalosi / Gravid Timber rattlesnakes (Crotalus horridus) basking together to bring young to term. A snake leaves the frame. Maryland, USA.
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John Cancalosi / Gravid Timber rattlesnakes (Crotalus horridus) basking together to bring young to term. The snakes leave the frame. Maryland, USA.
01727031
John Cancalosi / Gravid Northern copperhead (Agkistrodon contortrix mokasen) female basking as another female slithers over her, Maryland, USA.
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John Cancalosi / American toad (Anaxyrus americanus) male sitting on a rock and displaying, showing vocal sac. The animal leaves the frame. Maryland, USA.
01726851
Jeff Vanuga / Dark sky over Wickiup peak in the San Rafael Swell anticline, Colorado Plateau, southern Utah, USA. April, 2019.
01721613
Kirkendall-Spring / Little Pigeon River flowing over rocks, Great Smoky Mountains National Park, Tennessee, USA. April, 2022.
01721611
Kirkendall-Spring / Middle Prong of the Little River flowing through woodland, Great Smoky Mountains National Park, Tennessee, USA. April, 2022.
01696355
Roland Seitre / Bald ibis (Geronticus calvus) standing on a rock. August. Captive bird.
01694357
Barry Mansell / Pigeon / Rock dove (Columba livia) walking on the ground, Florida,USA.
01682742
David Fleetham / Kelp bass (Paralabrax clathratus) in Giant kelp (Macrocystis pyrifera) forest, Santa Barbara, California, USA.
01673630
Rolf Nussbaumer / Giant spiderwort (Tradescantia gigantea) growing amongst rocks. Enchanted Rock State Natural Area, Hill Country, Texas, USA.
01673629
Rolf Nussbaumer / Green-flowered milkweed (Asclepias asperula). Enchanted Rock State Natural Area, Hill Country, USA.
01664832
John Cancalosi / Leesburg limestone conglomerate rock. Fragments of Paleozoic limestone, dolomitic limestone, quartzite, quartz, schist, slate, and greenstone in matrix cemented by calcite formed in a Triassic half-gr...
01664831
John Cancalosi / Wolf spider (Lycosidae) on conglomerate rock. Frederick County, Maryland, USA. June.
01656714
Jeff Vanuga / Red Canyon in the San Rafael Region of Southern Utah, USA. March 2019.
01656619
Jeff Vanuga / Wahweap Hoodoos in Grand Staircase-Escalante National Monument in southern Utah, USA. April 2013.
01638535
Philippe Clement / Hispid cotton rat (Sigmodon hispidus) rodent native to South America, Central America, and southern North America. Captive