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  • 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
  • Lifting the heavy skull of an exhumed fin whale (Balaenoptera physalus) without damaging it is a delicate procedure.
    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
  • 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
  • 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
  • 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
  • Part of the vertebral structure of the exhumed fin whale (Balaenoptera physalus)
    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 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
  • 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
  • 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
  • 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. 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 rear vertebrae.
    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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Intricate pattern formed by the vertebrae comprising the neck area of the 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
  • 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
  • Large vertebrae of the middle portion of the 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. Vertebrae of the middle part of the whale are pictured here.
    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, 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
  • Lower jaw bones of an exhumed 18-meter long fin whale (Balaenoptera physalus) carcass.
    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
  • 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
  • Mature Bryde's whale (Balaenoptera edeni) diving down to forage for food. This whale had an injury to the left lobe of its fluke, perhaps resulting from an attack when it was younger. The whale also had a prominent notch in the trailing edge of its dorsal fin, and an injury on its dorsal surface on the left side of its dorsal fin. These markings make it easy to identify this whale.
    brydes-whale-injured-fluke-balaenopt...tif
  • Dorsal fin of a large Bryde's whale (Balaenoptera edeni) exhibiting the characteristic hooked shape of this species. This particular whale has a small notch on the trailing edge of its dorsal fin, making it easy to recognize. Note also the injury on the dorsal surface. The whale was also missing the left tip of its fluke, perhaps from an attack earlier in its life.
    brydes-whale-balaenoptera-edeni-trin...tif
  • This is a Bryde's whale that was feeding in the same area as a number of blue whales. The taxonomic status of Bryde's whales is complex. There are several genetically distinct species and/ or subspecies in the scientific literature, including Balaenoptera brydei, Balaenoptera edeni, and Balaenoptera omurai.
    brydes-whale-balaenoptera-edeni-sri-...tif
  • Bryde's whale (Balaenoptera edeni) in blue water, photographed in Trincomalee, Sri Lanka
    brydes-whale-balaenoptera-edeni-sri-...tif
  • Pronounced dorsal fin of a Bryde’s whale (Balaenoptera edeni edeni) in the shallow waters of the upper Gulf of Thailand. This whale was one of three that were foraging on anchovies. This whale's name is Jao Taengthai.
    brydes-whale-dorsal-gulf-thailand-20...tif
  • This is a Bryde's whale that was feeding in the same area as a number of blue whales. The taxonomic status of Bryde's whales is complex. There are several genetically distinct species and/ or subspecies in the scientific literature, including Balaenoptera brydei, Balaenoptera edeni, and Balaenoptera omurai.
    balaenoptera-edeni-brydes-whale-sri-...tif
  • This is a Bryde's whale that was feeding in the same area as a number of blue whales in southern Sri Lanka. The taxonomic status of Bryde's whales is complex. There are several genetically distinct species and/ or subspecies in the scientific literature, including Balaenoptera brydei, Balaenoptera edeni, and Balaenoptera omurai.
    brydes-whale-balaenoptera-brydei-ede...tif
  • Bryde’s whale (Balaenoptera edeni brydei) with multiple wounds from cookiecutter shark bites (Isistius brasiliensis). Photographed in the Ogasawara (Bonin Islands), Japan.
    brydes-whale-cookiecutter-shark-bite...tif
  • Female Bryde’s whale (Balaenoptera edeni) with her calf.
    brydes-whale-female-with-calf-balaen...tif
  • Dorsal view of a female and calf Bryde’s whale pair (Balaenoptera edeni). Note that Bryde's whales in this area seem to have few cookie cutter scars, in contrast with those in most other locations.
    brydes-whale-mother-calf-dorsal-view...tif
  • This is a rear view of a male humpback whale (Megaptera novaeangliae australis) engaged in a dominance display by blowing a stream of air bubbles. Visible in the top left background is a female humpback whale. This female was associated with the male blowing bubbles. The pair were approached by several other males, which precipitated the bubble blowing seen here. A portion of one of the other whales is visible in the bottom right corner. Displays like this are a common behavior among male humpback whales accompanying females during the breeding season.
    humpback-whale-male-bubbles-dominanc...tif
  • This is a view of the rostrum of a humpback whale calf (Megaptera novaeangliae australis) with a substantial infestation of whale lice (Cyamus boopis). This species of parasite is endemic to humpback whales. Infestations like this are common among humpbacks.
    humpback-whale-calf-lice-infestation...tif
  • Humpback whale (Megaptera novaeangliae) calf playing at the ocean surface. The calf was tail slapping together with its mother. Playing together like this is common behavior for humpback whale mother and calf pairs. This calf, which I named Orion, was the 13th calf I counted in the 2007 season in Vava'u, Tonga.
    humpback-whale-calf-fluke-megaptera-...tif
  • Female humpback whale calf playing at the ocean surface while her mother rests below. On this day, the adult always maintained this vertical position while resting. When I came across this same mother and calf pair eleven days later, the adult no longer seemed to prefer this upright pose, but instead rested in the more common horizontal position.
    humpback-whale-female-with-calf-2017...tif
  • Adult female humpback whale (Megaptera novaeangliae) engaged in tail slapping with her calf. The calf is slapping its fluke in the normal manner, with ventral side down, while its mother is tail slapping with dorsal side down, hitting the dorsal surface of her fluke on the ocean surface. This type of joint activity is common with humpback whale mother and babies. The calf is Orion, the 13th calf I counted in the 2007 season in Vava'u, Tonga.
    humpback-whale-mother-calf-tail-slap...tif
  • Humpback whale (Megaptera novaeangliae) calf slapping its tail at the ocean surface. The calf was playing together with its mother, which is common behavior for humpback whale mother and calf pairs. This calf, which I named Orion, was the 13th calf I counted in the 2007 season in Vava'u, Tonga.
    humpback-whale-calf-tail-slap-megapt...tif
  • This is the primary escort in a humpback whale competitive group heat run. The whale is executing a body block of another male in pursuit by extending his pectoral fins and pulling up suddenly in a vertical position, much like an airplane stalling mid-flight. Though this is a common tactic, it is difficult to photograph, as it happens suddenly and the action pauses for only a few moments.
    humpback-whale-escort-body-block-ton...tif
  • Humpback whales with white dorsal surfaces on their pectoral fins are relatively uncommon around Tonga. They are more common in the northern hemisphere. Here is a humpback whale with white pectoral fins breaching during the 2012 breeding season, when there were an unusually high number of these individuals in the area.
    breaching-humpback-whale-white-pecto...tif
  • Female humpback whale calf (Megaptera novaeangliae) with mysterious scraping injuring along its right flank. This type of wound is relatively common among the humpback whales that visit Tonga. The scraping pattern is usually seen along both sides of the dorsal ridge, from the dorsal fin to the fluke, with bilateral symmetry.
    humpback-whale-calf-injury-scraping-...tif
  • Adult female humpback whale (Megaptera novaeangliae) engaged in tail slapping with her calf. The calf is slapping its fluke in the normal manner, with ventral side down, while its mother is tail slapping with dorsal side down, hitting the dorsal surface of her fluke on the ocean surface. This type of joint activity is common with humpback whale mother and babies. The calf is Orion, the 13th calf I counted in the 2007 season in Vava'u, Tonga.
    humpback-whales-mother-calf-tail-sla...tif
  • These four humpback whales were part of a heat run comprising six testosterone-fueled males in pursuit of a single fertile female. Swimming at high speed, the whales appeared from the blue haze below, charging toward the surface in a mad rush. I dived down and waited in mid-water for them. <br />
<br />
As this group of four hurtled past me, I experienced a surge of adrenalin, triggered by the simultaneous exhilaration and apprehension of such a close encounter with a quartet of 40-ton animals. <br />
<br />
The four whales pictured here are all male, one of which is blowing bubbles--a common behaviour that may signify aggression when observed during heat runs. <br />
<br />
The female surfaced some distance away together with the other males, which certainly explains why these whales were in such a rush!
    four-humpback-whales-in-heat-run-201...tif
  • Common terns (Sterna hirundo) flying alongside Eden’s whale (Balaenoptera edeni edeni) in the Gulf of Thailand/ The terns follow whales in order to catch fish that the whales bring to the ocean surface.
    sterna-hirundo-following-balaenopter...tif
  • Close-up view of the skin disease afflicting the Eden’s whale (Balaenoptera edeni edeni) known as Somtam. This unknown skin disease in common in the small population of Eden’s whales that reside in the Gulf of Thailand.
    balaenoptera-edeni-skin-disease-thai...tif
  • A group of humpback whales (Megaptera novaeangliae) engaged in cooperative foraging behavior commonly referred to as bubble net feeding. The whales find and encircle schools of fish, blowing bubbles as they do so to create a net around the fish and drive them to the surface. The whales then surround the fish and charge up in unison through their prey with mouths wide open. By working together, the whales are able to herd large schools of fish that would be more challenging for a single whale to capture. Photograph taken in Chatham Strait, Alaska.
    humpback-whales-bubble-net-feedin-ch...tif
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