Sunrise on the Racetrack Playa. The sliding rocks, or sailing stones, move across the mud flats of the Racetrack Playa, leaving trails behind in the mud. The explanation for their movement is not known with certainty, but many believe wind pushes the rocks over wet and perhaps icy mud in winter.
Location: Racetrack Playa, Death Valley National Park, California
Image ID: 27701
A sliding rock of the Racetrack Playa. The sliding rocks, or sailing stones, move across the mud flats of the Racetrack Playa, leaving trails behind in the mud. The explanation for their movement is not known with certainty, but many believe wind pushes the rocks over wet and perhaps icy mud in winter.
Location: Racetrack Playa, Death Valley National Park, California
Image ID: 25243
Racetrack sailing stone and star trails. A sliding rock of the Racetrack Playa. The sliding rocks, or sailing stones, move across the mud flats of the Racetrack Playa, leaving trails behind in the mud. The explanation for their movement is not known with certainty, but many believe wind pushes the rocks over wet and perhaps icy mud in winter.
Location: Racetrack Playa, Death Valley National Park, California
Image ID: 27668
Eiffel Tower rises over the Trocadero place. The Trocadero, site of the Palais de Chaillot, is an area of Paris, France, in the 16th arrondissement, across the Seine from the Eiffel Tower.
Location: Trocadero, Paris, France
Image ID: 28168
The Mount Soledad Cross, a landmark in La Jolla, California. The Mount Soledad Cross is a 29-foot-tall cross erected in 1954.
Location: La Jolla, California
Image ID: 26548
Les cypres a Cagnes by Henri Edmond Cross, Musee d'Orsay, Paris.
Location: Musee dOrsay, Paris, France
Image ID: 35618
Trocadero. The Trocadero, site of the Palais de Chaillot, is an area of Paris, France, in the 16th arrondissement, across the Seine from the Eiffel Tower.
Location: Trocadero, Paris, France
Image ID: 35642
Nictitating Membrane Partially Covering Brown Pelican Eye. The nictitating membrane, or nictating membrane, is a translucent membrane that forms an inner eyelid in birds, reptiles, and some mammals. It can be drawn across the eye to protect it while diving in the ocean, from sand and dust and keep it moist.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 40253
Western Grebes rushing across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic birds literally run across the surface of the water while their feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40853
Western Grebes rushing across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic birds literally run across the surface of the water while their feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40855
Western Grebes rushing across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic birds literally run across the surface of the water while their feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40859
Western Grebes rushing across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic birds literally run across the surface of the water while their feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40861
Western Grebes rushing across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic birds literally run across the surface of the water while their feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40862
Western Grebes rushing across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic birds literally run across the surface of the water while their feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40863
Western Grebe rushing in a courtship display. Rushing grebes run across the water 60 feet (20m) or further with their feet hitting the water as rapidly as 20 times per second.
Location: Lake Wohlford, Escondido, California
Image ID: 40974
Western Grebe rushes across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic bird literally runs across the surface of the water while its feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 41543
Western Grebes Rushing on Lake Hodges. Synchronized rushing, where (usually) a male and female run across the water, lasts for only a few seconds. It is one of the most spectacular behaviors seen among birds.
Species: Western grebe, Aechmophorus occidentalis
Location: Lake Hodges, San Diego, California
Image ID: 36786
California sea lion speeds across the face of a wave while bodysurfing, La Jolla, California.
Location: La Jolla, California
Image ID: 39003
Lone sea lion streaks across the face of a wave while bodysurfing, Boomer Beach.
Location: La Jolla, California
Image ID: 39012