06-00978
Northern Gentoo Penguin feeds one nestling while the other begs, Pygoscelis papua papua; Saunders Island, Falkland Islands

06-04290
Sunset at Wind Cave National Park, Custer, South Dakota

09-04004
Tulips in the snow in Patagonia, genus Tulipa, Valle Encantado, Argentina

10-01798
Pollen covered anther on unspecified flower cultivar, Loreto, Argentina

06-04268
Mountain Goat or Rocky Mountain Goat, Oreamnos americanus, Custer, South Dakota

10-05324
Flowering Prickly Pear Cactus, Opuntia lindheimeri, Dimmit County, Texas

07-03607
Pink stormy sky with lightning, Martin, South Dakota

10-05326
Flowering Prickly Pear Cactus, Opuntia lindheimeri, Dimmit County, Texas

06-00550
Black-browed Albatross with nestling, Thalassarche melanophris, Saunders Island; Falkland Islands