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  • This is a male Nihon grunt sculpin (Rhamphocottus nagaakii) watching over a clutch of eggs. On average, the eggs require about 60 days at 10 degrees Celsius to mature. Photographed in Miyagi Prefecture in northeast Japan.
    rhamphocottus-nagaakii-nihon-grunt-s...tif
  • This is a male Nihon grunt sculpin (Rhamphocottus nagaakii) watching over a clutch of eggs. On average, the eggs require about 60 days at 10 degrees Celsius to mature. The yellow-colored egg is one that was not successfully fertilized. Photographed in Miyagi Prefecture in northeast Japan.
    rhamphocottus-nagaakii-nihon-grunt-s...tif
  • This black-headed gull (Larus ridibundus) has just dived down to steal a fish (possibly juvenile Stichaeus grigorjewi) from an unfortunate common merganser (Mergus merganser). The gull is in winter plumage.
    larus-ridibundus-gull-stealing-fish-...tif
  • Juvenile Sika Deer (Cervus nippon yesoensis) foraging for food in the winter. Here the deer is nibbling on Japanese rose (Rosa rugosa). This is the Hokkaido subspecies of Cervus nippon. Photographed in Biei, Hokkaido, Japan. エゾシカ, 美瑛、北海道
    japanese-sika-deer-hokkaido-subspeci...tif
  • Blakiston’s Fish Owl (Bubo blackistoni) at night, with a small masu salmon (Oncorhynchus masou masou), also known as yamame, in its mouth. Photographed in Rausu, Hokkaido, Japan. This owl is wild, but is habituated to people and is fed daily.
    endangered-blakistons-fish-owl-bubo-...tif
  • Steller's sea eagle (Haliaeetus pelagicus) looking out to sea from a comfortable perch on a tree branch. Photographed in Rausu, Hokkaido, Japan.
    stellers-sea-eagle-haliaeetus-pelagi...tif
  • Student engaged in laborious and smelly task of cleaning rib bones of an 18-meter female fin whale (Balaenoptera physalus) that was found in Tokyo Bay in early 2012 and buried for about 16 months to facilitate decomposition.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. Here, the vertebrae comprising the rear part of the whale are being cleaned.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. Pictured here are the rear vertebrae.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Female Japanese sika deer (Cervus nippon yesoensis) with young fawn. The deer were foraging for food during the winter in Utoro, Hokkaido, Japan.
    japanese-sika-deer-Cervus-nippon-yes...tif
  • Lifting the long and heavy jaw bone of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Examining and cleaning the large vertebrae comprising the central part of the spinal column of an exhumed fin whale (Balaenoptera physalus)
    fin-whale-balaenoptera-physalus-japa...jpg
  • Vertebrae of exhumed fin whale (Balaenoptera physalus) visible in the foreground, team of scientists, students and volunteers taking a break from the hard work in the backgound
    fin-whale-balaenoptera-physalus-japa...jpg
  • Red fox, Sakhalin subspecies (Vulpes vulpes schrencki) foraging for food in the winter snow of Hokkaido. Photographed in Shiretoko National Park.
    red-fox-sakhalin-subspecies-vulpes-v...tif
  • Japanese spotted deer (Cervus nippon yesoensis) foraging for food during winter, along the edge of a slope overlooking the Okhotsk Sea. Photographed in Shiretoko National Park, Utoro, Hokkaido, Japan.
    japanese-spotted-deer-portrait-cervu...tif
  • Young Japanese sika deer fawn (Cervus nippon yesoensis) with its tongue out. Photographed in Utoro, Shiretoko National Park, Japan.
    Japanese-sika-deer-fawn-Cervus-nippo...tif
  • Piecing together fragments of the spinal discs of an exhumed fin whale (Balaenoptera physalus) is time-consuming and tedious, requiring lots of concentration.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Proper preparations for lifting the upper skull of the whale from the excavation put were required to ensure integrity of the skull structure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Intricate pattern formed by the vertebrae comprising the neck area of the exhumed fin whale (Balaenoptera physalus)
    fin-whale-balaenoptera-physalus-japa...jpg
  • Part of the vertebral structure of the exhumed fin whale (Balaenoptera physalus)
    fin-whale-balaenoptera-physalus-japa...jpg
  • Spinal disc and fragments from the exhumed fin whale (Balaenoptera physalus). Part of the task was to re-assemble the fragement, much like working on a complex jigsaw puzzle.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. The whale's shoulder blades and some of its ribs are visible here.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. The lower jaw bones are pictured here, with the bulldozer in the background that was used to exhume the whale carcass.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. The lower jaw bones are pictured here.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Blakiston’s Fish Owl (Bubo blackistoni) at night, with a small masu salmon (Oncorhynchus masou masou), also known as yamame, in its mouth. Photographed in Rausu, Hokkaido, Japan. This owl is accustomed to people and is fed daily.
    endangered-blakistons-fish-owl-bubo-...tif
  • Blakiston’s Fish Owl (Bubo blackistoni) at night. Photographed in Rausu, Hokkaido, Japan. This owl is accustomed to people and is fed daily.
    endangered-blakistons-fish-owl-bubo-...tif
  • Red fox, Sakhalin subspecies (Vulpes vulpes schrencki) foraging for food in the winter snow of Hokkaido. Photographed in Shiretoko National Park.
    red-fox-sakhalin-subspecies-vulpes-v...tif
  • Portrait of a female Japanese spotted deer (Cervus nippon yesoensis), photographed in the snow at Shiretoko National Park, Utoro, Hokkaido, Japan.
    japanese-spotted-deer-portrait-cervu...tif
  • Japanese spotted deer (Cervus nippon yesoensis) with young fawn and two more deer in the background. The deer were foraging for food during winter. Photographed in Shiretoko National Park, Utoro, Hokkaido, Japan.
    japanese-spotted-deer-cervus-nippon-...tif
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Proper preparations for lifting the upper skull of the whale from the excavation put were required to ensure integrity of the skull structure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Piecing together fragments of the spinal discs of an exhumed fin whale (Balaenoptera physalus) is time-consuming and tedious, but there are rewarding moments when a match is found.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Gloves and a knife used in the cleaning of the fin whale (Balaennoptera physalus) carcass. Cleaning and preparing a whale skeleton is difficult and smelly work.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. Vertebrae of the middle part of the whale are pictured here.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. Pictured here are the lower jaw bones.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Upper half of the skull of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. The whale's vertebrae are visible here.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Examining and cleaning the large vertebrae comprising the forward portion of the spinal column of an exhumed fin whale (Balaenoptera physalus)
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. The lower jaw bones are pictured here.
    fin-whale-balaenoptera-physalus-japa...jpg
  • The bone structure comprising the pectoral fins of a fin whale (Balaenoptera physalus) reflect the animal's link to terrestrial mammals.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Lower jaw bones of an exhumed 18-meter long fin whale (Balaenoptera physalus) carcass.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Large vertebrae of the middle portion of the exhumed fin whale (Balaenoptera physalus)
    fin-whale-balaenoptera-physalus-japa...jpg
  • Upper half of the skull of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor.
    fin-whale-balaenoptera-physalus-japa...jpg
  • Scientists, students and volunteers engaged in cleaning the bones of an 18-meter long female fin whale (Balaenoptera physalus) that was found floating in Tokyo harbor in early 2012 and buried for about 16 months to facilitate decomposition. Even with the passage of so much time, there was still significant soft tissue and a power odor. Vertebrae of the middle part of the whale are pictured here.
    fin-whale-balaenoptera-physalus-japa...jpg
  • This is a Pteromys volans orii flying squirrel gliding through the forest in the early morning.
    pteromys-volans-orii-flying-squirrel...tif
  • This is a Pteromys volans orii flying squirrel consuming male catkins from an Erman's birch tree (Betula ermanii).
    pteromys-volans-orii-flying-squirrel...tif
  • This is a Pteromys volans orii flying squirrel gliding through the forest.
    pteromys-volans-orii-flying-squirrel...tif
  • This male red-breasted merganser (Mergus serrator), which has just caught a right-handed flounder (Pleuronectidae), is fleeing from a slaty-backed gull (Larus schistisagus). The gull eventually stole the fish from the merganser. The bird was missing its left eye, as seen here.
    mergus-serrator-male-with-pleuronect...tif
  • These are Japanese cranes (Grus japonensis) in flight.
    grus-japonensis-japanese-red-crowned...tif
  • This is a pair of Ural owls (Strix uralensis japonica) that have come together at the end of winter in preparation for the spring reproductive season.
    strix-uralensis-japonica-ural-owl-ez...tif
  • This is a female Strix uralensis japonica owl perched at the entrance to her nest during snowfall. A smaller male was inside the nest.
    strix-uralensis-japonica-ural-owl-ez...tif
  • This is an Ezo chipmunk (Tamias sibiricus lineatus), recently emerged from winter hibernation.
    tamias-sibiricus-lineatus-ezo-chipmu...tif
  • This is a Pteromys volans orii flying squirrel bathed in the cool light of an early winter morning. These animals are normally nocturnal.
    pteromys-volans-orii-flying-squirrel...tif
  • This is a male spotty goby (Laiphognathus multimaculatus) sending one of his babies into the world. Females of this species deposit eggs into the burrows of males, which fertilize and care for the developing young. When juveniles are mature, the males take the young fish into their mouths, dart out of their burrows and spit the babies into the water, sometimes one at a time, sometimes several at once. The action is rapid, the direction and timing of launching babies unpredictable. When the males send the babies out like this, their bodies usually lose the bright coloration of breeding season, becoming relatively drab, though not quite as dull as normal.
    laiphognathus-multimaculatus-spotty-...tif
  • This is a humpbacked scorpionfish (Scorpaenopsis neglecta) sitting on a muddy bottom in shallow water, with a number of Japanese silver-biddy fishes (Gerres equulus) swimming past in the background.
    scorpaenopsis-neglecta-humpbacked-sc...tif
  • This is a female whitespotted pygmy filefish (Rudarius ercodes) tending to a clutch of eggs that she has deposited on a cluster of bryozoans that have grown on the branches of a dead tree lodged in the substrate. Development of this species is rapid, with the juveniles hatching in approximately three days.
    rudarius-ercodes-tending-eggs-whites...tif
  • This is a male peach fairy basslet (Pseudanthias dispar).
    pseudanthias-dispar-peach-fairy-bass...tif
  • This is a yellow-green wrasse (Thalassoma lutescens) male engaging in courtship display. He spawned several times while I observed, each time with a different female. He also chased away a number of other males.
    thalassoma-lutescens-banana-wrasse-m...tif
  • This is a Japanese dwarf flying squirrel (Pteromys volans orii) flying through the forest on a cold winter day. Usually nocturnal, these animals sometimes become active in the day during reproductive season.
    japanese-flying-squirrel-pteromys-vo...tif
  • This is a Pteromys volans orii Japanese dwarf flying squirrel gliding across the top of the tree canopy after sunset. The moon is visible, six days prior to being full. This individual was part of a ruckus of reproductive season activity stretching over many hours that involved two females and three males.
    japanese-flying-squirrel-pteromys-vo...tif
  • This is a Shiho’s seahorse (Hippocampus sindonis), a species that is endemic to Northwest Pacific coastal waters of Japan and southern Korea. The Japanese name is hanatatsu.
    hippocampus-sindonis-seahorse-japan-...tif
  • This male Neoclinus bryope blenny has an unusual dorsal fin with two prominent blue spots. Most individuals of this species have one spot. Photographed at a magnification of two times life-size.
    neoclinus-bryope-blenny-unusual-dors...tif
  • Close-up profile of a male Neoclinus bryope chaenopsid blenny during the winter breeding season. This species is known as koke-ginpo in Japanese. Photographed at a magnification of two times life-size.
    neoclinus-bryope-blenny-japan-202101...tif
  • Whooper swan (Cygnus cygnus) visiting wintering grounds in Hokkaido, Japan
    cygnus-cygnus-whooper-swan-japan-202...tif
  • Juvenile 10cm female Chinese pond turtle (Mauremys reevesii) at 2.5 years of age. This species is semiaquatic in the wild, found in marshes, ponds, streams and similar bodies of shallow water. It is listed as Endangered on the IUCN Red List, threatened by several causes, including competition from introduced species, loss of habitat, and use in Chinese medicine. This species is also popular in the global pet trade. This individual was found on a road in Japan, far from water, when it was only 2.8cm, perhaps picked up and transported by a crow shortly after birth. Though the species had earlier been considered native to Japan, genetic testing in recent years suggests multiple introductions from outside Japan.
    mauremys-reevesii-chinese-pond-turtl...tif
  • These two hairy frogfish (Antennarius striatus) are seconds away from spawning. The smaller male has positioned himself beneath the female to push her up into the water column. Her belly is swollen with eggs, and she has inflated herself to around twice her normal size in preparation for release of eggs. This may make it difficult for her to swim effectively without help. The male is positioned near where the eggs will be released. Being in this position may be critical for him to judge the precise moment when he should break away from the female and release sperm to fertilize the eggs.
    antennarius-striatus-striated-frogfi...tif
  • This is a pair of Korean seahorses (Hippocampus haema) engaged in unusual post-mating courtship activity. Earlier in the morning, the pair had completed hours of courtship, culminating with the female (background) depositing eggs into the brooding pouch of the male (foreground). Once this takes place, the pair usually return to independent activity, most often foraging for food. In this instance, the pair stayed together. They maintained body contact, often with their prehensile tails intertwined. The male broods the eggs for three to ten weeks. After hatching the juveniles, the male engages in courtship with the female and mates again throughout the spring and summer breeding season. Pair bonds are reasonably consistent, though there seems to be some mixing that takes place. Described in 2017, this species is found in the waters of Korea, as well as along the southern and western coasts of Japan.
    hippocampus-haema-korean-seahorse-co...tif
  • This is a defecating long-tailed tit (Aegithalos caudatus). This species is small in size, measuring up to 15cm in length, approximately half of which is the bird’s long, narrow tail.
    aegithalos-caudatus-long-tailed-tit-...tif
  • During summer months, bowhead whales (Balaena mysticetus) like the one pictured here often visit shallow water, which provides a shelter from potential predation by orcas. As seen in this photograph, the whales can swim in water that is only just deep enough for them not to become stranded. This individual is a member of the endangered Sea of Okhotsk subpopulation.
    balaena-mysticetus-endangered-okhots...tif
  • Bryde’s whale (Balaenoptera edeni edeni) commencing a dive. Note the muscularity powering the whale’s fluke, and the visibility of the rib structure. Classification of Bryde’s whales is difficult and uncertain due to insufficient study and information.
    balaenoptera-edeni-brydes-whale-2013...tif
  • These are eggs of a sculpin named <br />
Bero elegans, found in the northwest Pacific. The eggs of this species have a blue tint and measure about 2mm to 3mm in size. Photographed at a magnification of two times life-size.
    bero-elegans-sculpin-eggs-japan-2019...tif
  • These are Zoarchias major eelpouts. The orange individual is female; the one in the hole is male. The female has approached the male, curled around him and rubbed him in a manner that divers in the area interpreted as affection or interest in the courtship context. In actuality, the female is trying to dislodge the male from the hole in order to occupy it herself. It is an antagonstic encounter, not one characterized by amorous interest. Given that these fish come up from deeper waters to congregate and socialize in this specific place at a specific time of year, the possibility that this activity is related to reproduction in the greater context is high, though how and when reproduction takes place remains unknown. Image 1 in a sequence of 3.
    zoarchias-major-female-getting-ready...tif
  • This is a female Zoarchias major eelpout attempting to dislodge a male from a hole in the reef. Females sometimes approach males and curl up next to them, rub against their bodies. This has been misinterpreted as behavior suggesting affection, in the courtship context. Males do the same to females as well. In reality, one fish is attempting to dislodge the other from a prime piece of real estate. Sometimes the intruder succeeds, sometimes not. Image 3 of 6 in a sequence illustrating this behavior.
    zoarchias-major-female-pulling-male-...tif
  • Two male Zoarchias major eelpouts with mouths wide open facing off in the middle of Sargassum hemiphyllum algae. The fishes blend-in well with both the coloration and texture of these brown algae and other surrounding vegetation and substrate, providing some measure of protection in the form of camouflage from larger fish patrolling the reef.
    zoarchias-major-eelpouts-fighting-sa...tif
  • This is an adult female sperm whale (Physeter macrocephalus) at the ocean surface, with other members of her social unit visible in the background.
    sperm-whale-physeter-macrocephalus-o...tif
  • This sequence of 17 images shows a humpback whale (Megaptera novaeangliae australis) executing a forward breach. As the whale emerges from the ocean, water streams off the animal’s body, as well as from the sides of the whale’s mouth. The whale exhales with great force as it surfaces, creating a cloud of water vapor, then inhales through open nostrils before plunging back into the water. The entire sequence spans just over one second of time. Image 3 of 17.
    humpback-whale-forward-breaching-seq...tif
  • Hasegawa-san with freshly caught deep sea rockfish (Sebastes matsubarai)
    hasegawa-san-deep-sea-rockcod-japan-...tif
  • Jawfish (Opistognathus sp.) taking a look around after spitting out sand and rubble while maintaining its burrow
    jawfish-opistognathus-cleaning-burro...tif
  • Southern right whale female with calf (Eubalaena australis) in shallow coastal water
    southern-right-whale-female-calf-eub...tif
  • A minipizza batfish (Halieutaea stellata) settling on the seafloor before descending back to depth after being released from a fishing net. When stationary like this, these fish perch on their fins almost as if they were using legs. These fish are usually found between 50m and 400m depth.
    minipizza-batfish-halieutaea-stellat...tif
  • This is an Indian anchovy (Stolephorus indicus), one of the anchovy species that Eden’s whales (Balaenoptera edeni edeni) feed upon in the Gulf of Thailand. It is also a primary ingredient for fish sauce, as well as many other foods in Thailand and Southeast Asia.
    indian-anchovy-stelophorus-indicus-g...tif
  • Juvenile spinner dolphin (Stenella longirostris) surfacing next to its mother
    spinner-dolphin-juvenile-with-mother...tif
  • Spinner dolphin (Stenella longirostris) leaping into the air on a sunny day
    spinner-dolphin-stenella-longirostri...tif
  • This is a male hairchin goby (Sagamia geneionema) protecting a brood of eggs. Males of this species mate several times with females, which lay their eggs on the upper surfaces of confined spaces and then leave the area to the care of the male. In this case, this burrow was at 20m depth, with water ranging between 14 and 16 degrees Celsius. The males protect the eggs until they hatch, somewhere between one and two weeks depending on water temperature, and then mate again. Throughout this process, the male does not eat much. As a result, after several matings, the males become too weak to carry on, and they die. The name for this species in Japanese is sabihaze (サビハゼ).
    hairchin-goby-sagamia-guarding-eggs-...tif
  • An endangered Australian sea lion (Neophoca cinerea) lying in a bed of sea grass, blowing bubbles
    australian-sea-lion-bubbles-200802-0...tif
  • This is the carcass of a 12.8m female Bryde’s whale (Balaenoptera edeni brydei) that was brought into port on the bow of the ship pictured here. Though the cause of death was not entirely clear, the ship was known to have traveled for four to five days from China to Thailand. The whale could have died from impact. There were signs of blunt trauma, including the broken pectoral fin, which can be seen here. The whale was covered with bite marks from cookie cutter sharks, indicating that it was probably not one of the Gulf of Thailand’s resident Eden’s whales.
    dead-brydes-whale-thailand-201611-00...tif
  • This is a male Eden’s whale (Balaenoptera edeni edeni) known as Mesa, demonstrating the Drawbridge technique for feeding on anchovies. The whale raises his head above water to approximately eye level, then drops his lower jaw rapidly as if lowering a drawbridge. He then maintains a stationary, mouth-open position for an extended period of time, sometimes up to 30 seconds, during which time anchovies jump into his mouth. When he collects sufficient fish, he closes his mouth and reenters the water. Mesa is part of an isolated population of Eden’s whales, which are a neritic member of the Bryde’s whale complex, that live in the shallow waters of the Gulf of Thailand. It is likely that there are 50 or less in the population. Photo 7 in sequence of 7 photos illustrating beginning of Drawbridge technique.
    eden-whale-male-mesa-drawbridge-feed...tif
  • Sperm whale (Physeter macrocephalus) social unit engaged in social activity, with one whale separated from the group while passing gas. Flatulence is common when sperm whales socialize near the ocean surface.
    sperm-whale-flatulence-socializing-d...tif
  • Male humpback whale calf (Megaptera novaeangliae) opening his mouth at the surface while playing. His baleen is clearly visible. This opening of mouth behaviour by calves is often associated with periods of play following nursing.
    humpback-whale-calf-mouth-open-tonga...tif
  • A pair of sea otters (Enhydra lutris kenyoni) swimming in the inner waterways near Juneau, Alaska
    sea-otters-alaska-201607-1012.tif
  • Close-up view of developing pectoral fin in prenatal sperm whale fetus. The developing bone structure of the pectoral fin is already clearly visible, even though the fetus is only 60-cm to 70cm in length, compared to a generally accepted birth size of 450cm. The origin of this specimen is not known. It was found among other preserved specimens in the teaching collection of a natural history museum.
    sperm-whale-fetus-pectoral-fin-20160...tif
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