The Blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. It is the largest animal known to have ever existed. The Blue whale was once abundant in nearly all the Earth's oceans until the end of the 19th century. It was hunted...
The Sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. They are the heaviest members of the weasel family, but among the smallest marine mammals. Unlike most marine mammals, the sea...
The Green sea turtle (Chelonia mydas) is a species of large sea turtle of the family Cheloniidae. The common name of this species refers to the usually green fat found beneath its carapace, not to the color of its carapace, which is olive to black....
The Fin whale (Balaenoptera physalus) is a cetacean belonging to the parvorder of baleen whales. It is the second-longest species of cetacean on Earth after the Blue whale. American naturalist Roy Chapman Andrews called the fin whale "the greyhound...
The Hawksbill sea turtle (Eretmochelys imbricata) is a critically endangered sea turtle belonging to the family Cheloniidae. It is the only extant species in the genus Eretmochelys. The Hawksbill sea turtle has a global distribution; it lives part...
The Sei whale (Balaenoptera borealis) is a baleen whale, the third-largest rorqual after the Blue whale and the Fin whale. It inhabits most oceans and adjoining seas and prefers deep offshore waters. The whale's name comes from the Norwegian word...
The Siberian crane (Leucogeranus leucogeranus) is the world's third most endangered species of crane. Amongst cranes, its serrated bill makes it unique and enables it to easily feed on underground roots and slippery prey items. Among the cranes,...
The North Pacific right whale (Eubalaena japonica ) is a very large, thickset baleen whale species that is extremely rare and endangered. The Northeast Pacific population, which summers in the southeastern Bering Sea and Gulf of Alaska, may have no...
The Iriomote cat (Prionailurus bengalensis iriomotensis) is a subspecies of the Leopard cat that lives exclusively on the Japanese island of Iriomote. It is viewed by many biologists as a "living fossil," and is not much changed from its primitive...
The whale shark (Rhincodon typus) is a slow-moving, filter-feeding carpet shark and the largest known extant fish species. The largest confirmed individual had a length of 18.8 m (61.7 ft). The whale shark holds many records for size in the animal...
The Amami rabbit (Pentalagus furnessi ; Amami: ), or Amami no-kuro-usagi (アマミノクロウサギ 奄美野黒兔, lit. "Amami wild black rabbit"), also known as the Ryukyu rabbit is a dark-furred rabbit which is only found in Amami Ōshima and Toku-no-Shima, two small...
The spoon-billed sandpiper (Calidris pygmaea ) is a small wader which breeds on the coasts of the Bering Sea and winters in Southeast Asia. This species is highly threatened, and it is said that since the 1970s the breeding population has decreased...
The basking shark (Cetorhinus maximus) is the second-largest living shark and fish, after the whale shark. It is one of three plankton-eating shark species, along with the whale shark and megamouth shark. Typically, basking sharks reach 7.9 m (26...
The black-faced spoonbill (Platalea minor ) is a species of wading bird in the ibis and spoonbill family Threskiornithidae, found in eastern Asia. This species has the most restricted distribution of the six spoonbill species, and it is the only one...
The Oriental stork (Ciconia boyciana, Kounotori) is a large, white bird with black wing feathers in the stork family Ciconiidae.
Blakiston's fish owl (Bubo blakistoni) is the largest living species of owl. It belongs to a fish owl, a sub-group of eagle owls which specialize in hunting in riparian areas. This species is a part of the family known as typical owls (Strigidae)...
The yellow-breasted bunting (Emberiza aureola ) is a passerine bird in the bunting family Emberizidae that is found across the Boreal and East Palearctic. The genus name Emberiza is from Old German Embritz, a bunting. The specific aureola is Latin...
The shortfin mako (; Māori: /ˈmaːko/; Isurus oxyrinchus), also known as the shortfin mako shark, blue pointer, or bonito shark, is a large mackerel shark. It is commonly referred to as the mako shark, as is the longfin mako shark (Isurus paucus)....
The oceanic whitetip shark (Carcharhinus longimanus) is a large pelagic requiem shark inhabiting tropical and warm temperate seas. It has a stocky body with long, white-tipped, rounded fins. The species is typically solitary, though they may gather...
The Bonin flying fox, Bonin fruit bat (Pteropus pselaphon ), or in Japanese Ogasawara giant bat (オガサワラオオコウモリ, Ogasawara ōkōmori) is a species of flying fox in the family Pteropodidae. It is endemic to four islands (Chichijima, Hahajima, North Iwo...
Baer's pochard (Aythya baeri ) is a diving duck found in eastern Asia. It breeds in southeast Russia and northeast China, migrating in winter to southern China, Vietnam, Japan, and India. The name commemorates the Estonian naturalist Karl Ernst von...
The Far Eastern curlew (Numenius madagascariensis ) is a large shorebird most similar in appearance to the long-billed curlew, but slightly larger. It is mostly brown in color, differentiated from other curlews by its plain, unpatterned brown...
The Okinawa rail (Hypotaenidia okinawae ) is a species of bird in the rail family, Rallidae. It is endemic to Okinawa Island in Japan where it is known as the Yanbaru kuina (ヤンバルクイナ（山原水鶏）, "Yanbaru rail"). Its existence was only confirmed in 1978...
The great knot (Calidris tenuirostris ) is a small wader. It is the largest of the calidrid species. The genus name is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds. The specific ...
The Chinese box turtle (simplified Chinese: 食蛇龟; traditional Chinese: 食蛇龜; pinyin: shíshéguī ; lit. 'Snake-eating turtle'), also known as the yellow-margined box turtle, or golden-headed turtle, is a species of Asian box turtle. Taxonomically, it is...
The sand tiger shark (Carcharias taurus), gray nurse shark, spotted ragged-tooth shark or blue-nurse sand tiger, is a species of shark that inhabits subtropical and temperate waters worldwide. It inhabits the continental shelf, from sandy shorelines...
The Okinawa woodpecker (Dendrocopos noguchii ), (ノグチゲラ, きーたたちゃー, Noguchigera) is a woodpecker endemic to the Okinawa Prefecture of Japan. It was previously placed in the monotypic genus Sapheopipo.Other common names for this species are Noguchi's...
The European eel (Anguilla anguilla) is a species of eel. They are critically endangered due to overfishing by fisheries on coasts for human consumption and parasites.
The scaly-sided merganser or Chinese merganser (Mergus squamatus ) is an endangered typical merganser (genus Mergus ). It lives in Manchuria and extreme Southeast Siberia, breeding in the north and wintering in the south.
The giant oceanic manta ray, giant manta ray, or oceanic manta ray (Mobula birostris) is a species of ray in the family Mobulidae, and the largest type of ray in the world. It is circumglobal and is typically found in tropical and subtropical...
The Ryukyu spiny rat (Tokudaia osimensis ) is a species of rodent in the family Muridae. Endemic to Amami Ōshima island in the Amami Islands of the Ryukyu archipelago of Japan, its natural habitat is subtropical moist broadleaf forest. The karyotype...
The great hammerhead (Sphyrna mokarran) is the largest species of hammerhead shark, belonging to the family Sphyrnidae, attaining an average length of 4.6 m (15 ft) and reaching a maximum length of 6.2 m (20 ft). It is found in tropical and warm...
The yellow pond turtle (Mauremys mutica ), is a medium-sized (to 19.5 cm), semi-aquatic turtle in the family Geoemydidae. This species has a characteristic broad yellow stripe extending behind the eye and down the neck; the carapace ranges in color...
The spotted eagle ray (Aetobatus narinari) is a cartilaginous fish of the eagle ray family, Aetobatidae. As traditionally recognized, it is found globally in tropical regions, including the Atlantic, Pacific and Indian Oceans. Recent authorities...
Nordmann's greenshank (Tringa guttifer ) or the spotted greenshank, is a wader in the large family Scolopacidae, the typical waders.
The devil fish or giant devil ray (Mobula mobular) is a species of ray in the family Mobulidae. It is currently listed as endangered, mostly due to bycatch mortality in unrelated fisheries.
The humphead wrasse (Cheilinus undulatus) is a large species of wrasse mainly found on coral reefs in the Indo-Pacific region. It is also known as the Māori wrasse, Napoleon wrasse, Napoleon fish, so mei 蘇眉 (Cantonese), mameng (Filipino), and merer...
Muennink's spiny rat (Tokudaia muenninki ) or Okinawa spiny rat (Japanese: オキナワトゲネズミ, romanized: Okinawa togenezumi or 沖縄棘鼠) is a species of rodent in the family Muridae.Endemic to Okinawa Island, Japan, its natural habitat is subtropical moist...
The scalloped hammerhead (Sphyrna lewini) is a species of hammerhead shark in the family Sphyrnidae. It was originally known as Zygaena lewini. The Greek word sphyrna translates into "hammer" in English, referring to the shape of this shark's head,...
Anderson's crocodile newt, Anderson's newt, Ryukyu spiny newt, or Japanese warty newt (Echinotriton andersoni ) is a species of salamander in the family Salamandridae found in the Ryukyu Islands of Japan, and, at least formerly, Mount Guanyin in...
The kaluga (Huso dauricus), also known as the river beluga, is a large predatory sturgeon found in the Amur River basin. With a maximum size of at least 1,000 kg (2,205 lb) and 5.6 m (18.6 ft), the kaluga is one of the biggest of the sturgeon...
The Japanese eel (Anguilla japonica; nihon unagi (日本鰻)) is a species of anguillid eel found in Japan, Korea, Taiwan, China, and Vietnam, as well as the northern Philippines. There are three main species under the Anguilla genus, and all three share...
