Male elk bugling during the fall rut. Large male elk are known as bulls. Male elk have large antlers which are shed each year. Male elk engage in competitive mating behaviors during the rut, including posturing, antler wrestling and bugling, a loud series of screams which is intended to establish dominance over other males and attract females.
Species: Elk, Cervus canadensis
Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming
Image ID: 19693
Red gorgonian on rocky reef, below kelp forest, underwater. The red gorgonian is a filter-feeding temperate colonial species that lives on the rocky bottom at depths between 50 to 200 feet deep. Gorgonians are typically oriented at right angles to prevailing water currents to capture plankton drifting by.
Species: Red gorgonian, Leptogorgia chilensis, Lophogorgia chilensis
Location: San Clemente Island, California
Image ID: 38496
Bryozoan grows on a red gorgonian on rocky reef, below kelp forest, underwater. The red gorgonian is a filter-feeding temperate colonial species that lives on the rocky bottom at depths between 50 to 200 feet deep. Gorgonians are oriented at right angles to prevailing water currents to capture plankton drifting by.
Species: Red gorgonian, Leptogorgia chilensis, Lophogorgia chilensis
Location: San Clemente Island, California
Image ID: 25395
Red gorgonian on rocky reef, below kelp forest, underwater. The red gorgonian is a filter-feeding temperate colonial species that lives on the rocky bottom at depths between 50 to 200 feet deep. Gorgonians are oriented at right angles to prevailing water currents to capture plankton drifting by.
Species: Red gorgonian, Leptogorgia chilensis, Lophogorgia chilensis
Location: San Clemente Island, California
Image ID: 25393
Huge mixed schools of fish on Farnsworth Banks, Catalina Island, California. A veritable fish storm of epic proportions centered on Farnsworth Banks was experienced by divers for a few weeks in 2021.
Species: Halfmoon perch, Medialuna californiensis
Location: Catalina Island, California
Image ID: 37244
Red gorgonian and California golden gorgonian on underwater rocky reef, San Clemente Island. The golden gorgonian is a filter-feeding temperate colonial species that lives on the rocky bottom at depths between 50 to 200 feet deep. Each individual polyp is a distinct animal, together they secrete calcium that forms the structure of the colony. Gorgonians are oriented at right angles to prevailing water currents to capture plankton drifting by.
Species: Red gorgonian, California golden gorgonian, Leptogorgia chilensis, Lophogorgia chilensis, Muricea californica
Location: San Clemente Island, California
Image ID: 38499
Red gorgonian Leptogorgia chilensis, purple hydrocoral Stylaster californicus, and yellow zoanthid anemone Epizoanthus giveni, at Farnsworth Banks, Catalina Island.
Location: Catalina Island, California
Image ID: 39540