Cetacea

Trujillo's beaked whale, Wonderful beaked whale

Features：There are "dark circles" around the eyes and the beak is medium-sized.

True's Beaked Whale has never been identified at sea, so nothing is known about its behavior; the lack of confirmed sightings may simply reflect the difficulty of identification at sea. Scrapes and scars on the back and sides indicate that males fight with each other. Deep dives may be possible....

Long-toothed beaked whale, Lyman's beaked whale, hook-toothed beaked whale, long-toothed whale

Features：The teeth are bent upwards and the upper jaw is covered with dark patches on the face like a "mask"

Mesoplodon layardii, also known as Strap-toothed Whale, is the largest of the beaked whales and one of the few that can be identified in the sea. Rare in the wild; in calm, sunny weather, they may surface to bask in the sun; usually difficult to approach, especially by large ships. When they start d...

Heck's beaked whale, New Zealand beaked whale, Heck's beaked whale

Features：The beak is relatively short and has many scratches and scars.

Hector's Beaked Whale was first discovered in 1866, but until 1975, there were only 7 decaying specimens, all in the Southern Hemisphere. The first identifiable male whale was found in 1978; there are now more than 20 specimens, 4 of which are stranded in California, USA, indicating that the dis...

Features：The lip line is quite straight, and the beak is white and slender

Gray's Beaked Whale's scientific name is Mesoplodon grayi, and its foreign name is Gray's Beaked Whale. Limited sightings show that they may be more conspicuous than other beaked whales on the sea surface, seem to be more active, and live in large groups. Gray's Beaked Whales have be...

Japanese beaked whale, Ginkgo beaked whale, Ginkgo-toothed beaked whale

Features：Adult male whales do not appear to have vertical scars

Ginkgo-toothed beaked whale (scientific name: Mesoplodon ginkgodens) is called ginkgo-toothed beaked whale in foreign language, and has no subspecies.Nothing is known about the behavior of the ginkgo-toothed beaked whale, and it should be very cautious by nature. It may appear in small groups. Male...

Theodore's beaked whale, Gulfstream beaked whale, European beaked whale, Andreas' beaked whale

Features：The beak is prominent and narrow, with white patches on the abdomen

Gervais's beaked whale was first recorded in the 1840s as a specimen floating in the English Channel (hence its name Mesopolodon europaeus), but no new discoveries have been made in northern Europe since then. Behavior in the wild remains speculative. The lack of sightings even in the most exten...

Harvey's beaked whale

Features：There is a raised white "cap" on the head, a thick and long beak, and huge teeth are clearly exposed.

Hubbs' Beaked Whale has only one possible sighting, and very little is known about its behavior. Obvious scars indicate that males fight very fiercely. It should be shy and cautious like other beaked whales of the genus Mesoplodon. It is believed that it will stick its head out of the water when...

Thor's beaked whale, North Sea beaked whale Thor's beaked whale, North Sea beaked whale

Features：The back is blue-gray or mouse-gray, the dorsal fin is small, and the beak is slender.

Sowerby's Beaked Whale, scientific name Mesoplodon bidens, foreign name Sowerby's Beaked Whale, is the earliest discovered beaked whale.Very little information is available. In 1800, one stranded in the Moray Firth in Scotland; four years later, the British watercolorist James Sowerby descri...

Features：The dorsal fin is located at the back 2/3 of the back, the forehead is convex and the beak is prominent.

The scientific name of the Southern Bottlenose Whale is Hyperoodon planifrons, and its foreign name is Southern Bottlenose Whale. It feeds exclusively on squid and cuttlefish. The contents of its stomach are almost entirely cephalopod beak residues. Some squid from the Antarctic and Subantarctic wat...

North Atlantic bottlenose whale, flathead whale, bottlehead whale, steep-headed whale

Features：The body is long but chubby, with a prominent beak and a towering forehead.

The scientific name of the northern bottlenose whale is Hyperoodon ampullatus. In 1770, Forster first mentioned the northern bottlenose whale in the translation notes of "Kalm, Travels into North America". The scientific name at that time was "Balaena ampullatus". The species nam...

Arnold's beaked whale, southern four-toothed whale, southern beaked whale, New Zealand beaked whale, southern bottlenose whale, southern porbeagle whale

Features：Diving time is usually between 15 and 25 minutes, usually to a depth of 1000 meters

Arnoux's Beaked Whale, scientific name Arnoux's Beaked Whale, is usually easily frightened and difficult to observe, and it is quite difficult to identify it on the sea surface. It seems to be gregarious, and is generally observed in groups close to each other, with a number of less than 10,...

Indus River Dolphin, South Asian River Dolphin Indus subspecies

Features：It is one of the few dolphins that live in fresh water.

The Indus River Dolphin (Platanista gangetica minor) is one of the few dolphins that live in freshwater. They are related to the Gangetic River Dolphins that live in the Ganges River in India. They like to move in waters deeper than 3 meters, and they also have special adaptability. When swimming to...

Small right whale, dwarf whale, dwarf whale, small right whale, pygmy right whale, new right whale

Features：

The scientific name of the pygmy right whale is Caperea marginata, and its foreign name is Pygmy right whale. It feeds on small plankton. It likes to live in shallow waters and dives for a long time. It swims very slowly and is easily confused with small whales. The largest group seen is 8.Listed in...

Antarctic baleen whale, Southern minke whale

Features：One of the smallest baleen whales

Antarctic minke whale (scientific name: Balaenoptera bonaerensis) is also known as Antarctic minke whale. New mitochondrial DNA tests have found that Antarctic minke whales are independent species from minke whales. This test also determined that minke whales are the closest relatives of Antarctic m...

Features：The body is dark grey or black, with occasional spots on the abdomen.

Southern right whale (scientific name: Eubalaena australis) is also known as Southern right whale in foreign languages. It has no subspecies. It was described by Desmoulins in 1822, and later classified as a genus of Eubalaena by Gray in 1864. The previous classification considered the Southern righ...

Eubalaena glacialis Borowski

Features：Listed as one of the six whale species in the world that are in danger of extinction

The North Atlantic right whale (Scientific name: Eubalaena glacialis Borowski) is also known as the North Atlantic Right whale. Due to excessive hunting around the world, it is on the verge of extinction and has been listed as one of the six whales in danger of extinction in the world.The North Atla...

Berardius bairdii,Baird's beaked whale,Bell's beaked whale, Bell's beaked whale, North Pacific bottlenose whale, North Pacific four-toothed whale

Features：Probably the largest of all beaked whales

Baird's beaked whale, whose foreign name is Baird's beaked whale, may be the largest of all beaked whales.The appearance of the Bel's beaked whale is so similar to that of Aldrich's beaked whale that some people believe that the two are the same species. However, their habitats are i...

Mesoplodon densirostris,Bryde's beaked whale, Bryde's beaked whale, Blunt beaked whale

Features：The male Beaked Whale is one of the most bizarre looking whales in the world.

Blainville's beaked whale is the most common species in the genus Blainville.Blainville's beaked whales usually move alone or in pairs, and small groups of 3 to 7 (occasionally up to 12) have also been recorded.The beaked whale generally performs shallow dives, but can dive deep for up to 45...

Ziphius cavirostris,Cuvier's beaked Whale,Cuvier's beaked whale, goose-billed whale, Cuvier's beaked whale, goose-billed whale, Cuvier's beaked whale

Features：The diving depth champion among mammals, the highest record is 2992 meters

Cuvier's beaked whale, whose foreign name is Cuvier's beaked Whale, is the most widely distributed species in the beaked whale family. They are also known as Goose-beaked Whale and Goose-billed Whale, so named because their head looks somewhat like a goose's head when viewed from the sid...

Kogia sima,Kogia simus (Owen, 1866),Physeter simus Owen, 1866, Dwarf Sperm Whale, Dwarf Sperm Whale, Cachalot nain, Cachalot nain,Cachalote Enano, Cachalote Enano,,Owen's sperm whale

Features：The species was not widely recognized until 1966

Dwarf Sperm Whale, no subspecies.The species of Dwarf Sperm Whale was not widely recognized until 1966, so it was often unclear in the literature before then which species "Kogia" was targeting. No subspecies of the pygmy sperm whale have been found. However, based on sequencing of the mit...

Kogia breviceps,Pygmy sperm whale

Features：The smallest whale

Pygmy sperm whale, foreign name, no subspecies.Pygmy sperm whales move alone or in small groups, sometimes up to about 6 in a group. This species is an oceanic warm-water species. It is timid and slow-moving. It swims at a speed of about 3 miles per hour. The mist column it emits when breathing is u...