Birds in Flight, Seabirds, and Professional Stock Avian Photographs by Natural History Photographer Phillip Colla.

Bird Photographs and Avian Photography
Natural history photos of birds in flight and seabirds

Whale and dolphin photos.  Underwater pictures of whales and dolphins.  Natural history cetacean photographs.

Cetacean Photos
Natural history photos of whales and dolphins

Fall colors in the American West, including the Eastern Sierra Nevada and Zion National Park

Fall Colors
Fall Colors, Aspens, Autumn

Spectacular stock photography of icebergs, from the Southern Ocean and Antarctica.

Iceberg Photos
Landscapes of Ice

Underwater photographs of the California kelp forest, featuring stock pictures of Macrocystis pyrifera (Giant kelp) and associated marine animals.  Over 20 years of underwater photography in California's and Mexico's spectacular kelp habitats.

Kelp Forest Photos
Underwater photos of California's beautiful giant kelp forests, Macrocystis pyrifera

Natural Arches
Amazing natural rock arches in California, Utah and Nevada

Photos of the Milky Way, star trails and star field photos, and images of the night sky.

The Heavens
Photos of the night sky

Natural history stock photographs of penguins, including king penguins, Adelie penguins, Galapagos penguins underwater, penguins on icebergs and on South Georgia Island and the Falkland Islands.

Penguin Photos
Penguins from South Georgia Island, Antarctica, the Falklands and Galapagos.

Underwater Shark Photos
Exciting underwater photos of great white sharks, hammerhead and tiger sharks, whale sharks, blue sharks and many others.

Photography of Waves and Ocean Swells.  Stock Pictures of Surf and the Ocean Surface.

Wave Photographs
Surf photography. Tubular moments. Life is good in the green room.

Wildlife portraits.  Beautiful photos of wildlife, portrait style, including whales, dolphins, sharks, bears, seabirds, eagles, penguins and more.

Wildlife Portraits
Portrait photos of many charismatic animals, including whales, sharks, dolphins and penguins.