Male (left) and Female (right) House Sparrows (Passer domesticus) perched on a log with a green backgroundPREMIUM
Female Northern Cardinal (cardinalis) on a logPREMIUM
Eastern Bluebird (Sialia sialis) in a bird bathPREMIUM
Adult Bald Eagle (haliaeetus leucocephalus) in flight against a blue skyPREMIUM
Male Eastern Bluebird (Sialia sialis) on a perch with a green backgroundPREMIUM
Leopard Slug (Limax maximus) on a log with a green backgroundPREMIUM
American Toad (Bufo americanus) with a green backgroundPREMIUM
Cave or Camel Cricket (Rhaphidophoridae) on a logPREMIUM
Wood Frog (Rana sylvatica) transitioning from a polliwog (tadpole) to a frog underwaterPREMIUM
Ruby-throated Hummingbird (archilochus colubris) in flight isolated on a white backgroundPREMIUM
Mojave Rattlesnake (Crotalus scutulatus) coiled to strike. The Mojave Rattlesnake is considered by many to be the most deadly snake in the United States.PREMIUM
Western Box Turtle (Terrapene ornata) in the flint hills of KansasPREMIUM
Feral or Stray Tuxedo Cat showing clipped left ear indicating that it has been neutered. Due to the mild weather, this animal appears healthy before the harsh winter sets in. Most cats living in the wild live only a year or two and kill many native wild bPREMIUM
Male Northern Cardinal (cardinalis cardinalis) on a log with a green backgroundPREMIUM
Male Eastern Bluebird (Sialia sialis) in flightPREMIUM
Dead House Sparrow (Passer domesticus) on a stumpPREMIUM
Monarch Butterfly Caterpillar (danaus plexippus) on a milkweed leafPREMIUM
Garter Snake (Thamnophis sirtalis) in the grass in springPREMIUM
Grove also known as Brown-lipped Snail (Cepaea nemoralis) on a logPREMIUM
Eastern Bluebird (Sialia sialis) nest with five blue eggsPREMIUM
Spring Peepers (Pseudacris crucifer) on a branch with a green backgroundPREMIUM
Male Ruby-throated Hummingbird (archilochus colubris) on a perch with a colorful backgroundPREMIUM
House Sparrow (Passer domesticus) perched on a branch with a green backgroundPREMIUM
Antiques Sign on the side of an old red barnPREMIUM
Western Coyote (Canis latrans) in northern CaliforniaPREMIUM
Male Eastern Bluebird (Sialia sialis) feeding his hungry babyPREMIUM
Male Northern Cardinal (Cardinalis) Isolated on a white backgroundPREMIUM
Female Ruby-throated Hummingbird (archilochus colubris) in flight isolated on whitePREMIUM
Venomous Giant Desert Centipede (Scolopendra heros) on gravelPREMIUM
Western Diamondback Rattlesnake (Crotalus atrox) coiled to strikePREMIUM
Mojave Rattlesnake (Crotalus scutulatus) coiled to strike. The Mojave Rattlesnake is considered by many to be the most deadly snake in the United States.PREMIUM
Black-tailed Rattlesnake (Crotalus molossus) coiled to strike in the Arizona desertPREMIUM
Pair of Eastern Bluebird (Sialia sialis) perched on a blackberry bushPREMIUM
Male Eastern Bluebird (Sialia sialis) on a snow covered perch with a white backgroundPREMIUM
Gila Monster (Heloderma suspectum) in ArizonaPREMIUM
Mountain Lion (Puma concolor) also known as a Cougar or PumaPREMIUM
Rare (Gyrfalcon Falco rusticolus) in flight against a blue skyPREMIUM
Red Fox (vulpes) in snow in winterPREMIUM
Pair of Eastern Bluebird (Sialia sialis) on a feeder in winter with snowPREMIUM
Male Ruby-throated Hummingbird (archilochus colubris) on a perch with a green backgroundPREMIUM
Male Eastern Bluebird (Sialia sialis) on a snow covered perch with a white backgroundPREMIUM
Tufted Titmouse (baeolophus bicolor) on a suet feeder pine conePREMIUM
Gila Monster (Heloderma suspectum) in ArizonaPREMIUM
Male Northern Cardinal (cardinalis cardinalis) in a snowy scenePREMIUM
Male Northern Cardinal (cardinalis cardinalis) on a branch in a snow stormPREMIUM
Adult Bald Eagle (haliaeetus leucocephalus) in flight against a blue skyPREMIUM
Pileated Woodpecker (Dryocopus pileatus) on a tree with a blue backgroundPREMIUM
Male Eastern Bluebird (Sialia sialis) in flightPREMIUM
White-breasted Nuthatch (sitta carolinensis) on a tree trunk with a colorful backgroundPREMIUM
Tufted Titmouse (baeolophus bicolor) and Nuthatch on a suet feeder pine conePREMIUM
Male Northern Cardinal (cardinalis cardinalis) on a branch with a colorful backgroundPREMIUM
Red Fox (vulpes) Inflicted with Mange in a fieldPREMIUM
Western Coyote (Canis latrans) hunting in the Arizona desertPREMIUM
Black-tailed Jackrabbit (Lepus californicus) in the Arizona desertPREMIUM
Adult Bald Eagle (haliaeetus leucocephalus) in flight against a blue skyPREMIUM
Ruby-throated Hummingbird (archilochus colubris) in flight with a green backgroundPREMIUM
Mojave Rattlesnake (Crotalus scutulatus) coiled to strike. The Mojave Rattlesnake is considered by many to be the most deadly snake in the United States.PREMIUM
Black-tailed Jackrabbit (Lepus californicus) in the Arizona desertPREMIUM
Mojave Rattlesnake (Crotalus scutulatus) coiled to strike. The Mojave Rattlesnake is considered by many to be the most deadly snake in the United States.PREMIUM
Male American Goldfinch (Carduelis tristis) eating on a thistle flower with a green backgroundPREMIUM
Juvenile Ruby-throated Hummingbird (archilochus colubris) in flight at a fuschia flower with a blue backgroundPREMIUM
Female Annas Hummingbird (Calypte anna) in flight isolated on a white backgroundPREMIUM
Juvenile Ruby-throated Hummingbird (archilochus colubris) in flight at a fuschia flower with a blue backgroundPREMIUM
Juvenile Ruby-throated Hummingbird archilochus colubris in flight at a flower with a blue backgroundPREMIUM
Yellow Warbler (Dendroica petechia) on a branch in early springPREMIUM
Male Ruby-throated Hummingbird (archilochus colubris) in flight colorful backgroundPREMIUM
Female Ruby-throated Hummingbird (archilochus colubris) in flight at a flower with a colorful backgroundPREMIUM
Male Ruby-throated Hummingbird archilochus colubris in flight at a feeder with a colorful backgroundPREMIUM
Female Ruby-throated Hummingbird (archilochus colubris) in flight at a flower with a colorful backgroundPREMIUM
Female Northern Cardinal (Cardinalis) Isolated on a white backgroundPREMIUM
Female Ruby-throated Hummingbird (archilochus colubris) in flight at a feeder with a colorful backgroundPREMIUM
Male Eastern Bluebird (Sialia sialis) in flight to a nestPREMIUM
Downy Woodpecker (Picoides pubescens) on a perch with a green backgroundPREMIUM
Male Eastern Bluebird (Sialia sialis) on a fence with a green backgroundPREMIUM
Yellow Warbler (Dendroica petechia) on a branch in early springPREMIUM
Mail box overflowing with mail, bills, junk mail, e-mails and other unwanted correspondencePREMIUM
Northern Mockingbird Mimus polyglottos in an apple tree with flowersPREMIUM
Yellow Warbler (Dendroica petechia) on a branch in early springPREMIUM
Allens Hummingbird (Selasphorus sasin) PREMIUM
Annas Hummingbird (Calypte anna) in flight at a flower with a green backgroundPREMIUM
Baby Spotted Turtle (clemmys guttata)PREMIUM
Snowy Owl (Bubo scandiacus) in flight over a snow-covered fieldPREMIUM
Male Eastern Bluebird (Sialia sialis) feeding his hungry babyPREMIUM
American Robin (Turdus migratorius) on a lawn with snowPREMIUM
Carolina Wren (Thryothorus ludovicianus) on a branch isolated on whitePREMIUM
Male Northern Cardinal (cardinalis) in a snowy scenePREMIUM
Female Northern Harrier (Circus cyaneus) flying in a snowy field in winterPREMIUM
Male Northern Cardinals (cardinalis cardinalis) in a snowy scenePREMIUM
Male Eastern Bluebird (Sialia sialis) on a fence with flowersPREMIUM
Annas Hummingbird (Calypte anna) in flight at a flower with a green backgroundPREMIUM
Soft-shelled Turtle looking for a place to lay her eggs in the Florida EvergladesPREMIUM
Rough-legged Hawk (Buteo lagopus) flying against a blue skyPREMIUM
Juvenile Northern Harrier (Circus cyaneus) flying in a fieldPREMIUM
Male Northern Cardinal (cardinalis cardinalis) in a snowy scenePREMIUM
Baltimore Oriole Icterus galbula on a snowy branch isolated on whitePREMIUM
Male Ruby-throated Hummingbird (archilochus colubris) in flight isolated on a white backgroundPREMIUM
House Sparrow (Passer domesticus) perched on a stump with a green backgroundPREMIUM
Blue Jay (corvid cyanocitta) with a green backgroundPREMIUM
Rusty Blackbird (Euphagus carolinus) in winter plumage perched in a treePREMIUM
Male Northern Cardinal (cardinalis cardinalis) on a branch in a snow stormPREMIUM