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 Killer whale (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family. It is the largest member of this family. The sophisticated hunting techniques and vocal behaviors of Killer whales have been described as manifestations of...
The Sperm whale or cachalot (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the...
The Saltwater crocodile (Crocodylus porosus) is the largest living reptile and crocodilian known. It was hunted for its skin throughout its range up to the 1970s and is threatened by illegal killing and habitat loss. It is regarded as dangerous to...
The osprey (Pandion haliaetus) is a diurnal, fish-eating bird of prey with a cosmopolitan range. The osprey tolerates a wide variety of habitats, nesting in any location near a body of water providing an adequate food supply. It is found on all...
The dugong (Dugong dugon) is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow...
The Humpback whale (Megaptera novaeangliae) is a species of baleen whale. It is a rorqual; a member of the family Balaenopteridae. The Humpback whale is known for breaching and other distinctive surface behaviors, making it popular with whale...
The leatherback sea turtle (Dermochelys coriacea ), sometimes called the lute turtle or leathery turtle or simply the luth, is the largest of all living turtles and the heaviest non-crocodilian reptile, reaching lengths of up to 1.8 metres and...
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 loggerhead sea turtle (Caretta caretta ), is a species of oceanic turtle distributed throughout the world. It is a marine reptile, belonging to the family Cheloniidae. The average loggerhead measures around 90 cm (35 in) in carapace length when...
The False killer whale (Pseudorca crassidens) is a species of oceanic dolphin that is the only extant representative of the genus Pseudorca. It is found in oceans worldwide but mainly frequents tropical regions. The name "false killer whale" comes...
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 olive ridley sea turtle (Lepidochelys olivacea ), also known commonly as the Pacific ridley sea turtle, is a species of turtle in the family Cheloniidae. The species is the second-smallest and most abundant of all sea turtles found in the world....
The giant clams are the members of the clam genus Tridacna that are the largest living bivalve mollusks. There are actually several species of "giant clams" in the genus Tridacna, which are often misidentified for Tridacna gigas, the most commonly...
The Irrawaddy dolphin (Orcaella brevirostris) is a euryhaline species of oceanic dolphin found in scattered subpopulations near sea coasts of the Bay of Bengal and Southeast Asia. It closely resembles the Australian snubfin dolphin and was not...
The Cuvier's beaked whale (Ziphius cavirostris) is the most widely distributed of all beaked whales in the family Ziphiidae. It is smaller than most baleen whales yet large among beaked whales. Cuvier's beaked whale is pelagic and occurs in waters...
The ocean sunfish or common mola (Mola mola) is one of the largest bony fish in the world. It was misidentified as the heaviest bony fish, which was actually a different species, Mola alexandrini. Adults typically weigh between 247 and 1,000 kg (545...
The Black-crowned night heron (Nycticorax nycticorax) is a medium-sized heron found throughout a large part of the world. These birds have a stocky appearance as if hunched over, the head tucked down into the shoulders, and they are usually seen...
The Great cormorant (Phalacrocorax carbo) is a widespread member of the cormorant family of seabirds. Many fishermen see in the Great cormorant a competitor for fish. Because of this, it was hunted nearly to extinction in the past but luckily due to...
The Great white pelican (Pelecanus onocrotalus) that lives in the shallow swamps in Africa is one of the largest flying birds in the world. It has the abilities of multiple birds, such as long flights and swimming. Its unique characteristic is the...
The Black-headed gull (Chroicocephalus ridibundus) is a small and one of the most abundant gulls in much of Europe and Asia, and also in eastern Canada. It displays a variety of compelling behaviors and adaptations. Some of these include removing...
The Common bottlenose dolphin (Tursiops truncatus) is a wide-ranging marine mammal of the family Delphinidae. The common bottlenose dolphin is a very familiar dolphin species due to the wide exposure it receives in captivity in marine parks and...
The Eurasian coot (Fulica atra), also known as the Common coot, or Australian coot, is a member of the rail and crake bird family, the Rallidae. It is found in Europe, Asia, Australia, New Zealand, and parts of North Africa. Similar-looking coot...
The Oriental small-clawed otter (Aonyx cinereus ), also known as the Asian small-clawed otter is an otter species native to South and Southeast Asia. It has short claws that do not extend beyond the pads of its webbed digits. It is the smallest...
The Yellow-bellied sea snake (Hydrophis platurus) is a venomous species of snake found in tropical oceanic waters around the world except for the Atlantic Ocean. It is one of the most widely distributed snakes in the world. Yellow-bellied sea snakes...
Hydrophis belcheri, commonly known as the faint-banded sea snake or Belcher's sea snake, is an extremely venomous species of elapid sea snake. It has a timid temperament and would normally have to be subjected to severe mistreatment before biting....
The Northern pintail (Anas acuta) is a duck species that has a wide geographic distribution. Unusually for a bird with such a large range, it has no geographical subspecies if the possibly conspecific duck Eaton's pintail is considered to be a...
The Common moorhen (Gallinula chloropus) is a bird species in the rail family (Rallidae) found across many parts of the Old World. These birds live around well-vegetated marshes, ponds, canals, and other wetlands. The word 'moor' as a part of their...
The mimic octopus (Thaumoctopus mimicus ) is a species of octopus from the Indo-Pacific region. Like other octopuses, it uses its chromatophores to disguise itself with its background. However, it is noteworthy for being able to impersonate a wide...
The Brown booby (Sula leucogaster) is a large seabird. It is perhaps the most common and widespread species of the booby family Sulidae. They are gregarious birds that only nest on the ground and roost on solid objects rather than the water surface.
The Yellow-lipped sea krait (Laticauda colubrina) venomous sea snake found in tropical Indo-Pacific oceanic waters. This snake spends much of its time under water to hunt, but returns to land to digest, rest, and reproduce. Because of its affinity...
The spinner dolphin (Stenella longirostris ) is a small dolphin found in off-shore tropical waters around the world. It is famous for its acrobatic displays in which it rotates around its longitudinal axis as it leaps through the air. It is a member...
The glossy ibis (Plegadis falcinellus ) is a water bird in the order Pelecaniformes and the ibis and spoonbill family Threskiornithidae. The scientific name derives from Ancient Greek plegados and Latin, falcis, both meaning "sickle" and referring...
The Red-footed booby (Sula sula) is a large seabird of the booby family, Sulidae. It is the smallest member of the booby and gannet family.
The Indo-Pacific finless porpoise (Neophocaena phocaenoides) is an aquatic marine mammal found throughout most of the Indian Ocean, as well as the tropical and subtropical Pacific from Indonesia north to the Taiwan Strait. Finless porpoises are the...
The Smooth-coated otter (Lutrogale perspicillata) is an otter species found in most of the Indian subcontinent and Southeast Asia. As its name indicates, its fur is smooth and shorter than that of other otter species.
The Bar-tailed godwit (Limosa lapponica) is a large wader. The migration of its subspecies Limosa lapponica baueri across the Pacific Ocean from Alaska to New Zealand is the longest known non-stop flight of any bird, and also the longest journey...
The Melon-headed whale (Peponocephala electra) belongs to the oceanic dolphin family. It is closely related to the Pygmy killer whale and Pilot whale. Collectively these dolphin species are known by the common name blackfish. Melon-headed whales...
The Common tern (Sterna hirundo) is a seabird that has a circumpolar distribution. it has four subspecies breeding in temperate and subarctic regions of Europe, Asia, and North America. Its large population and huge breeding range mean that this...
The pygmy sperm whale (Kogia breviceps ) is one of two extant species in the family Kogiidae in the sperm whale superfamily. They are not often sighted at sea, and most of what is known about them comes from the examination of stranded specimens.
The Tufted duck (Aythya fuligula) is a small diving duck found in northern Eurasia. Its scientific name comes from Ancient Greek word aithuia, an unidentified seabird mentioned by authors including Hesychius and Aristotle, and Latin words fuligo...
