David Hall / Steller sea lions (Eumetopias jubatus), three playing underwater, Inian Island, Alaska, USA. August.

David Hall / Steller sea lions (Eumetopias jubatus) playing underwater, Inian Island, Alaska, USA. August.

David Hall / Split-level of Cormorants (Phalacrocorax sp.) standing on rocks with Sea lettuce (Ulva sp.) seen underwater, Hussar Bay, Nigei Island, Queen Charlotte Strait, British Columbia, Canada. September.

David Hall / Fried Egg Jellyfish (Phacellophora camtschatica) viewed from below; Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.

David Hall / A Giant rock scallop (Crassadoma gigantea) encrusted with and surrounded by several other invertebrates, including White anemones (Metridium sp.), White mushroom ascidians (Distaplia sp.), Red soft co...

David Hall / Harbor seal (Phoca vitulina) using a large,encrusted boulder as a tool to scratch itself against, Gowland Harbour, Quadra Island, British Columbia, Canada. March.

David Hall / Split level of a Lion's mane Jellyfish (Cyanea capillata) and Feather-boa kelp (Egregia menziesii), Seven-tree Island, Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.

David Hall / Split level of a Sockeye salmon (Oncorhynchus nerka) in shallow water; Adams River, British Columbia, Canada. October.

David Hall / Split level of Sockeye salmon (Oncorhynchus nerka) during migration; Adams River, British Columbia, Canada. October.

David Hall / Crimson anemone (Cribrinopsis fernaldi) with Candy-striped shrimps (Lebbeus grandimanus) living symbiotically. Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.

David Hall / Candy stripe shrimp (Lebbeus grandimanus), a commensal species that associates with crimson sea anemones. Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.

Brandon Cole / Fish eating sea anemones (Urticina piscivora) and Giant Plumose Sea Anemones (Metridium farcimen) with Bull Kelp (Nereocystis luetkeana) behind, streaming in a gentle current. Washington, USA, Pacific...

Brandon Cole / Pacific giant octopus {Enteroctopus dofleini / Octopus dofleini} baby interacts with female scuba diver, Pacific Northwest.

Brandon Cole / Pacific white-sided dolphins porpoising at surface {Lagenorhynchus obliquidens} Johnstone Strait, Vancouver Island, British Columbia, Canada NOT FOR SALE IN USA

Brandon Cole / Red irish lord portrait {Hemilepidotus hemilepidotus} Vancouver Island, British Columbia, Canada NOT FOR SALE IN USA

Brandon Cole / Close up of Goose barnacles {Pollicipes polymerus} British Columbia, Canada, Pacific North West NOT FOR SALE IN USA

Michael Durham / Bald-faced Hornet (Dolichovespula maculata) flying, western Oregon

Michael Durham / Coho Salmon (Oncorhynchus kisutch) eggs at ten weeks after spawning, Washington

Michael Durham / Mountain Lion (Puma concolor) uncovers a young Elk (Cervus elephus nelsoni) calf that it killed and covered with debris earlier, Wallowa County, Oregon * tags and tracking collar on cat were digitally...

Michael Durham / Honey Bee (Apis mellifera) worker collecting nectar from Red Clover (Trifolium pratense) flowers, note the pollen baskets on the legs, northwest Oregon

Michael Durham / Western Long-eared Myotis (Myotis evotis) about to drink from a man-made guzzler, high-desert transition zone in the Deschutes National Forest, Oregon

Michael Durham / Bumblebee (Bombus morrisoni) queen, flying toward Sweet Pea flowers in the Deschutes National Forest, Oregon

Michael Durham / Silver-haired Bat (Lasionycteris noctivagans) illustrating wing movement during flight, Rogue River National Forest, Oregon, digital composite

Michael Durham / California Darner (Rhionaeschna californica) dragonfly, photographed with a high-speed camera, coastal mountains, Oregon

Michael Durham / Yuma Myotis (Myotis yumanensis) bat, female pursuing a moth on the wing, Oregon

Michael Durham / Yuma Myotis (Myotis yumanensis) bat, male capturing a forest moth, Oregon

Michael Durham / Western Pipistrelle (Pipistrellus hesperus) bat flying over desert scrub, near Pine Creek in the John Day Fossil Beds National Monument, Clarno Unit, Oregon, this is the smallest bat found north of Me...

Michael Durham / Western Pipistrelle (Pipistrellus hesperus) bat chases a moth over desert scrub, near Pine Creek in the John Day Fossil Beds National Monument, Clarno Unit, Oregon

Michael Durham / Two-striped Grasshopper (Melanoplus bivittatus) adult female jumping, Deschutes National Forest, Oregon

Michael Durham / Eight-spotted Skimmer (Libellula forensis) dragonfly male flying, photographed with a high-speed camera system in the coastal mountains of Oregon, near Florence

Michael Durham / Bumblebee (Bombus huntii) flying toward the camera after collecting nectar from a Rhododendron flower, northeast Oregon

Michael Durham / Pacific Chorus Frog (Pseudacris regilla) jumping into pond, Oregon

Michael Durham / Western Gull (Larus occidentalis) flock flying over the Oregon coast

Michael Durham / Honey Bee (Apis mellifera) flying hovering over pink flowers, Sauvie Island, Oregon

Michael Durham / Deer Mouse (Peromyscus maniculatus) jumping as an evasive behavior, Forest Park, Oregon

Michael Durham / Honey Bee (Apis mellifera) flying, Sauvie Island, Oregon

Michael Durham / Douglas Fir Glow-worm (Pterotus obscuripennis) displaying bioluminescence at night, Tillamook State Forest, Oregon

Michael Durham / Pronghorn Antelope (Antilocapra americana) female, left, and male on grassland, Oregon

Chase Dekker / Red Fox (Vulpes vulpes) kit, Washington

Nate Chappell/ BIA / Belding's Ground Squirrel (Spermophilus beldingi) young playing, Oregon

Michael Durham / Mountain Lion (Puma concolor) at night, Washingon

Michael Durham / Honey Bee (Apis mellifera) with pollen baskets, Oregon

Matthias Breiter / Creek flowing into lake in temperate rainforest, Lake Crescent, Olympic National Park, Washington

Matthias Breiter / Waterfall and creek in temperate rainforest, Merriman Falls, Olympic National Park, Washington

Matthias Breiter / Kestner Creek, Quinault Rainforest, Olympic National Forest, Washington

Matthias Breiter / Kestner Creek, Quinault Rainforest, Olympic National Forest, Washington

Matthias Breiter / Kestner Creek, Quinault Rainforest, Olympic National Forest, Washington

Sean Crane / Hoary Marmot (Marmota caligata) feeding on Indian Paintbrush (Castilleja coccinea) flowers, Mount Rainier National Park, Washington