Mating pair of Southern Right Whales, aerial photo. In this photo, the male is grasping the female with one of his pectoral fins as a prelude to copulation. By permission of the Government of Argentina, Chubut, permit # 51 / 2025-SsCyA.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 41197
Copulating Southern Right Whales, aerial photo. The female is in the middle. The male at bottom is copulating with her, while the second male at top is trying to do so as well. By permission of the Government of Argentina, Chubut, permit # 51 / 2025-SsCyA.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 41212
Copulating Pair of Southern Right Whales, aerial photo.The male is at left, female at right, and the female's calf at upper right. By permission of the Government of Argentina, Chubut, permit # 51 / 2025-SsCyA.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 41219
Two Adult Male Lions Fight to Establish Territory, Greater Masai Mara, Kenya. Both of these large males emerged from the battle with wounds, and it was not clear who prevailed.
Species: African lion, Panthera leo
Location: Mara North Conservancy, Kenya
Image ID: 39701
Panorama dimensions: 5760 x 8640
Beautiful golden-brown adult female California Sea Lion, resting on rocks in the morning sun, La Jolla, catching a little splash from a wave breaking on the reef just behind her.
Species: California Sea Lion, Zalophus californianus
Location: La Jolla, California
Image ID: 37528
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: Madison River, Yellowstone National Park, Wyoming
Image ID: 19700
Bull elk in sage brush with large rack of antlers during the fall rut (mating season). This bull elk has sparred with other bulls to establish his harem of females with which he hopes to mate.
Species: Elk, Cervus canadensis
Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming
Image ID: 19718
Sea otters mating. The male holds the female's head or nose with his jaws during copulation. Visible scars are often present on females from this behavior. Sea otters have a polygynous mating system. Many males actively defend territories and will mate with females that inhabit their territory or seek out females in estrus if no territory is established. Males and females typically bond for the duration of estrus, or about 3 days.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21606
Garibaldi maintains a patch of orange algae (just in front of the fish) to entice a female to lay a clutch of eggs, Farnsworth Banks, Catalina Island.
Species: Garibaldi, Hypsypops rubicundus
Location: Catalina Island, California
Image ID: 37255