Courting pair of southern right whales underwater, Eubalaena australis. In this image, the male is below and inverted (belly up) and the female is at the surface. While the posture in this photo isn't quite mating, it is a courting behavior that often precedes mating.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38294
El Copulador, a well known male southern right whale in Argentina. El Copulador, "The Copulator", is a serious player in the southern right whale mating game. He was a white calf and, while most white calves darked to near-black as they age, El Copulador has retained a distinctly light coloration. He is often seen in mating and courtship groups and has likely successfully mated with many females over the years.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38437
California sea lion on drift kelp paddy, underwater. This adult female California sea lion was hanging out underneath a paddy of drift kelp, well offshore the coastline of San Diego.
Species: California sea lion, Zalophus californianus
Location: San Diego, California
Image ID: 38541
California sea lion on drift kelp paddy, underwater. This adult female California sea lion was hanging out underneath a paddy of drift kelp, well offshore the coastline of San Diego.
Species: California sea lion, Zalophus californianus
Location: San Diego, California
Image ID: 38542
California sea lion on drift kelp paddy, underwater. This adult female California sea lion was hanging out underneath a paddy of drift kelp, well offshore the coastline of San Diego.
Species: California sea lion, Zalophus californianus
Location: San Diego, California
Image ID: 38543
Huge California Sea Lion Male Underwater, a bull, patrolling his breeding harem and territory, Coronado Islands, Mexico. His sagittal crest, the bony bump on his head that distinguishes adult male sea lions, is clearly seen. This particular sea lion bears an orange tag on his left foreflipper, probably as a result of rescue and release as a young sea lion years earlier.
Species: California sea lion, Zalophus californianus
Location: Coronado Islands (Islas Coronado), Baja California, Mexico
Image ID: 38650
Huge California Sea Lion Male Underwater, a bull, patrolling his breeding harem and territory, Coronado Islands, Mexico. His sagittal crest, the bony bump on his head that distinguishes adult male sea lions, is clearly seen. This particular sea lion bears an orange tag on his left foreflipper, probably as a result of rescue and release as a young sea lion years earlier.
Species: California sea lion, Zalophus californianus
Location: Coronado Islands (Islas Coronado), Baja California, Mexico
Image ID: 38651
Adult male humpback whale singing, suspended motionless underwater. Only male humpbacks have been observed singing. All humpbacks in the North Pacific sing the same whale song each year, and the song changes slightly from one year to the next.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 02813
Humpback whale male escort emits a stream of bubbles during competitive group socializing. The whale is swimming so fast that the bubbles pass back alongside the whale.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 02855
Male humpback whale bubble streaming underwater. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims behind a mother and calf (barely seen in the distance).
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 04434
Adult male humpback whale bubble streaming underwater. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims behind a female during competitive group activities. The bubble curtain may be meant as warning or visual obstruction to other nearby male whales interested in the female.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 04444
Male North Pacific humpback whale streams a trail of bubbles. The primary male escort whale (center) creates a curtain of bubbles underwater as it swims behind a female (right), with other challenging males trailing behind in a competitive group. The bubbles may be a form of intimidation from the primary escort towards the challenging escorts.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 05968
Adult male north Pacific humpback whale bubble streaming underwater in the midst of a competitive group. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims closely behind a female, . The bubble curtain may be meant as warning or visual obstruction to other nearby males interested in the female.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 05999
Adult male north Pacific humpback whale bubble streaming underwater in the midst of a competitive group. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims closely behind a female, . The bubble curtain may be meant as warning or visual obstruction to other nearby males interested in the female.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 06037
Mother and calf southern right whales are seen here as part of a larger courtship group, with adult males interested in mating with the mother. The calf has no choice but to stay by her mother's side during the courting activities.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38379
Beautiful golden female Calfornia sea lion on rocks at sunrise. This sea lion has hauled out of the ocean onto rocks near Point La Jolla to rest and warm in the morning sun.
Species: California sea lion, Zalophus californianus
Location: La Jolla, California
Image ID: 38634
Banded iguana, male. The bands of color on the male of this species change from green to either blue, grey or black, depending on mood. Females are usually solid green, ocassionally with blue spots or a few narrow bands.
Species: Banded iguana, Brachylophus fasciatus
Image ID: 12612
Pot-bellied seahorse, male, carrying eggs. The developing embryos are nourished by individual yolk sacs, and oxygen is supplied through a placenta-like attachment to the male. Two to six weeks after fertilization, the male gives birth. The babies must then fend for themselves, and few survive to adulthood.
Species: Pot-bellied seahorse, Hippocampus abdominalis
Image ID: 14472