Hooded Merganser (Lophodytes cucullatus).
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Hooded Merganser (Lophodytes cucullatus)
Hooded Merganser (Lophodytes cucullatus).
Monarch Butterfly
Monarch butterfly on dense blazing star.
Monarch butterfly on dense blazing star.
Monarch Butterflies on Dense Blazing Star
Image of the butterflies Danaus plexippus on the purple flowers of Liatris spicata.
Image of the butterflies Danaus plexippus on the purple flowers of Liatris spicata.
Rice Paper Butterfly (Idea leuconoe)
Rice Paper Butterfly on leaf.
Monarch Butterfly
Monarch butterfly on a dense blazing star.
Monarch butterfly on a dense blazing star.
Monarch Butterfly
Monarch butterfly on dense blazing star.
Monarch butterfly on dense blazing star.
Monarch Butterflies on Dense Blazing Star
Image of the butterflies Danaus plexippus on the purple flowers of Liatris spicata.
Image of the butterflies Danaus plexippus on the purple flowers of Liatris spicata.
Waterlily (Nymphaeaceae)
Tropical waterlily.
Rice Paper Butterfly (Idea leuconoe)
Rice Paper Butterfly on leaf
Shining Coneflower (Rudbeckia nitida)
Shining coneflower in Botanical Gardens.
Shining coneflower in Botanical Gardens.
Purple Coneflower (Echinacea purpurea)
Purple coneflower.
Delicate Arch
The world-famous Delicate Arch was formed by the movement of underground salt beds beneath overlying sandstone, in concert with surface events including water, ice, and erosion, which washed away or broke off the sandstone to create the arches and fins found throughout Arches National Park.
The world-famous Delicate Arch was formed by the movement of underground salt beds beneath overlying sandstone, in concert with surface events including water, ice, and erosion, which washed away or broke off the sandstone to create the arches and fins found throughout Arches National Park.
Raccoon Tracks
Raccoon paw print in mud.
Raccoon paw print in mud.
White-Tailed Deer Tracks
White-tailed deer tracks in the mud.
White-tailed deer tracks in the mud.
Burned Juniper Trees From a Wildfire
Area of burned trees from a 2002 wildfire, caused by a lightning strike, at Mesa Verde National Park.
Area of burned trees from a 2002 wildfire, caused by a lightning strike, at Mesa Verde National Park.
Cape Sable Seaside Sparrow
Cape Sable seaside sparrow. Credit: Lori Oberhofer, National Park Service.
Cape Sable seaside sparrow. Credit: Lori Oberhofer, National Park Service.
Wacissa River Grasses
Grasses in the Wacissa River are part of the vegetative mat that makes for a difficult stream to make flow measurements.
Grasses in the Wacissa River are part of the vegetative mat that makes for a difficult stream to make flow measurements.
Lake Superior
Lake Superior, Upper Peninsula of Michigan.
Lake Superior, Upper Peninsula of Michigan.
Lake Superior
Lake Superior, Upper Peninsula of Michigan.
Lake Superior, Upper Peninsula of Michigan.
Lake Superior
Lake Superior, Upper Peninsula of Michigan.
Lake Superior, Upper Peninsula of Michigan.
Presque Isle River
Presque Isle River, Upper Peninsula of Michigan.
Presque Isle River, Upper Peninsula of Michigan.