Brown Bear and cubs
Katmai National Park, Alaska
Brown Bear fishing
Katmai National Park, Alaska
Scarlet Macaw
Scarlet Macaw (Ara macao), Costa Rica
Bald Eagle
bald eagle (Haliaeetus leucocephalus) landing in dead tree, Homer, Alaska
Brown Bear and cub
Katmai National Park, Alaska
Keel-billed Toucan
Costa Rica
Wolverine
Wolverine (Gulo gulo) in snow, Alaska
Scarlet Macaw
Scarlet Macaw (Ara macao), Costa Rica
Bald Eagles
Pair of Bald Eagles (Haliaeetus leucocephalus) wait out a snow storm, Alaska
Wolverine
Wolverine (Gulo gulo) in snow, Alaska
Red-eyed Tree Frog
Red-eyed Tree Frog (Agalychnis callidryas), Costa Rica
Brown Bears
Katmai National Park, Alaska
Red-legged Honeycreeper
Red-legged Honeycreeper (Cyanerpes cyaneus) on tree branch, Costa Rica
Snow Geese
Snow Geese (Anser caerulescens) flying at sunset in front of the Sutter Buttes, Grey Lodge Wildlife Refuge
Bald Eagle
Bald Eagles (Haliaeetus leucocephalus) fighting over Salmon, Alaska
Tropical Red-eyed Tree Frog
Tropical Red-eyed Tree Frog (Agalychnis callidryas) on Heliconia plant, Costa Rica
Green and Black Poison Dart Frog
Tropical Green and Black Poison Dart Frog (Dendrobates auratus) climbs wild ginger plant, Costa Rica
Sea Otter
Sea otter (Enhydra lutris) and pup, Elkhorn Slough, California
Immature Red-tailed Hawk
Immature Red-tailed Hawk (Buteo jamaicensis) and Epiphytes (air plants) in Cloud Forest, Costa Rica
Brown Bear and cub
Katmai National Park, Alaska
Humming bird
Costa Rica
Snow Geese
Snow Geese (Anser caerulescens) flying toward the rising full moon at Grey Lodge Wildlife Refuge, California
Bald Eagle
Bald Eagle (Haliaeetus leucocephalus) head shot, Alaska
Scarlet Macaw
Costa Rica
Tropical Red-eyed Tree Frog
Tropical Red-eyed Tree Frog (Agalychnis callidryas) on Heliconia plant , Costa Rica
Glass Frog
Glass Frog and eggs (Centrolenella fleischmanni) on leaf, Costa Rica
Monarch Butterfly
Monarch Butterfly (Danaus plexippus) on sunflower, California
Pale Swallowtail Butterfly
Pale Swallowtail Butterfly (Papilio eurymedon) on daisies, Nevada County, California
Resplendent Quetzal
Male Resplendent Quetzal (Pharomachrus mocinno) perched in cloud forest, Sevegre Mountains, Costa Rica
Brown Bear and cubs
Katmai National Park, Alaska
Bald Eagle
Bald Eagle (Haliaeetus leucocephalus) flying through snowstorm, Alaska
Caiman
Caiman swimming in water at Tortuguero National Park, Costa Rica
Lynx
Lynx (Lynx canadensis) in the snow, Alaska
Ladybug
Ladybug (Coccinella septempunctata) searches for aphids, Nevada County, California
Bald Eagle
Bald Eagles fighting over fish (Haliaeetus leucocephalus), Alaska
Bull Moose
Winter Bull Moose (Alces alces) eyes the camera before charging, Yellowstone National Park, Wyonming
Bald Eagle
Bald Eagle (Haliaeetus leucocephalus) in flight with Chilkat River in background , Haines, Alaska
American Bison
American Bison (Bison bison) grazing in the snow, Yellowstone National Park, Wyoming
Coyote
Coyote (Canis latrans) relaxes in the snow after feeding. Yellowstone National Park, Wyoming
Howler Monkey
Costa Rica
Humming bird
Costa Rica
Burrowing Owl and Jackrabbit
Burrowing Owl (Athene cunicularia) and Jackrabbit (Lepus californicus) check each other out, Sacramento Valley, California
Bald Eagles
Bald Eagles (Haliaeetus leucocephalus) fighting over Salmon, Alaska
Male Brown Throated Three-Toed Sloth
Male Brown Throated Three-Toed Sloth (Bradypus variegatus) in Cecropia tree, Costa Rica
Monarch butterflies
Monarch butterflies Danaus plexippus) gathered on a tree, Santa Cruz, California
Baby Leatherback Sea Turtles
Three baby Leatherback Sea Turtles (Dermochelys coriacea) heading for the ocean, Costa Rica
Tropical Red-eyed Tree Frog
Tropical Red-eyed Tree Frog (Agalychnis callidryas) on Heliconia plant , Costa Rica
Dall Sheep
Dall Sheep (Ovis dalli) with baby in the snow, Yukon Territory
American Crocodile
Costa Rica
Keel-billed toucan
Costa Rica
Brown Bear and boat
Katmai National Park, Alaska
Brown Bear and cub
Katmai National Park
Humming bird
Costa Rica
Yellow-legged honey creeper
Costa Rica
Bat
Costa Rica