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: 25325
Sailing stone on the Death Valley 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: 25329
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: 27699
Snow geese at sunrise. Thousands of wintering snow geese take to the sky in predawn light in Bosque del Apache's famous "blast off". The flock can be as large as 20,000 geese or more. Long time exposure creates blurring among the geese.
Species: Snow goose, Chen caerulescens
Location: Bosque del Apache National Wildlife Refuge, Socorro, New Mexico
Image ID: 21827
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: 27696
Brown pelican in flight. The wingspan of the brown pelican is over 7 feet wide. Long exposure shows motion as a blur. The California race of the brown pelican holds endangered species status. In winter months, breeding adults assume a dramatic plumage with dark brown hindneck and bright red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 15160
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: 25322
Sailing stone on the Death Valley 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: 25324
Sailing stone on the Death Valley 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: 25327
Sailing stone on the Death Valley 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: 25331
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: 25332
Sailing stone on the Death Valley 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: 25333
Brown pelican in flight. The wingspan of the brown pelican is over 7 feet wide. Long exposure shows motion as a blur. The California race of the brown pelican holds endangered species status. In winter months, breeding adults assume a dramatic plumage with dark brown hindneck and bright red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20055
Racetrack sailing stone and stars at night. 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: 27636
Racetrack sailing stone and stars at night. 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: 27637
Racetrack sailing stone and Milky Way, at night. 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: 27638
Racetrack sailing stone and Milky Way, at night. 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: 27639
Racetrack sailing stone and Milky Way, at night. 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: 27641
Racetrack sailing stone and stars at night. 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: 27669
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: 27670
Sailing stone 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: 27690
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: 27694
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: 27695