John Chan / Western gulls (Larus occidentalis) attacking an Elegant tern (Thalasseus elegans) with a broken wing, Southern California, USA, April.

John Chan / Western gull (Larus occidentalis) feeding on a California two-spot octopus (Octopus bimaculoides) on a mudflat at low tide, Southern California, USA, November.

John Chan / Black skimmer (Rynchops niger) skimming water surface / feeding, Southern California, USA, July.

Claudio Contreras / Aerial view of Espiritu Santo Island National Park, Sea of Cortez (Gulf of California), Mexico, June, Honorary Mention in the third national contest 'Visions of our Nature' organised by Mexico...

Tim Fitzharris / Rhododendron (Rhododendron sp) flowers and Coast Redwood (Sequoia sempervirens) trees in fog, Redwood National Park, California

Tim Fitzharris / Paintbrush (Castilleja sp) and Seaside Fleabane (Erigeron glaucus) flowering on coast, Garrapata State Beach, Big Sur, California

Tim Fitzharris / Arch on beach, El Matador State Beach, California

Floris van Breugel / Sunset over coast of Montana de Oro State Park in California, USA December.

Floris van Breugel / First rays of golden sunshine hit Giant Sequoias (Sequoiadendron giganteum) covered in a winter blanket of snow and frost, Grant Grove, Sequoia / Kings Canyon National Park, California, USA November

Floris van Breugel / First rays of golden sunshine hit Giant Sequoias (Sequoiadendron giganteum) covered in a winter blanket of snow and frost, Grant Grove, Sequoia / Kings Canyon National Park, California, USA November

Jeff Foott / Pacific Rhododendron (Rhododendron macrophyllum) flowering in old growth Coast Redwood (Sequoia sempervirens) forest, Redwood National Park, California

Jeff Foott / Coast Redwood (Sequoia sempervirens) and Oak (Quercus sp) trees, Redwood National Park, California