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 hippopotamus (Hippopotamus amphibius) is a large semiaquatic mammal native to sub-Saharan Africa. It is one of only two extant species in the family Hippopotamidae, the other being the Pygmy hippopotamus. Its name comes from the ancient Greek...
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 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 giant squid (Architeuthis dux ) is a species of deep-ocean dwelling squid in the family Architeuthidae. It can grow to a tremendous size, offering an example of deep-sea gigantism: recent estimates put the maximum size at around 12–13 m...
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 colossal squid (Mesonychoteuthis hamiltoni ) is part of the family Cranchiidae. It is sometimes called the Antarctic squid or giant cranch squid and is believed to be the largest squid species in terms of mass. It is the only recognized member...
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 Nile crocodile (Crocodylus niloticus) is a large crocodilian that lives in freshwater habitats in Africa. There it is present in 26 countries. The Nile crocodile is one of the most dangerous species of crocodile and is responsible for hundreds...
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 Leopard seal (Hydrurga leptonyx) is the second largest species of seal in the Antarctic (after the Southern elephant seal). Its only natural predator is the orca. It is the only species in the genus Hydrurga. Its closest relatives are the Ross...
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...
Described as "The bird which made the breeze to blow" the wingspan of a Wandering albatross (Diomedea exulans) is the longest of any bird. It lives up to its name when it takes fishing trips that last 10-20 days and can cover 10,000 km while using...
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 African penguin (Spheniscus demersus) is a species of penguin that lives in southern African waters. Like all extant penguins, it is flightless and adapted for a marine habitat. Once extremely numerous, the African penguin is declining rapidly...
The Greater flamingo (Phoenicopterus roseus) is the most widespread and largest species of the flamingo family. It was described by Peter Simon Pallas in 1811. The Greater flamingo was previously thought to be the same species as the American...
The King penguin (Aptenodytes patagonicus) is the second largest species of penguin. This species was exploited commercially in the past for its blubber, oil, meat, and feathers but today, it is fully protected.
The Arctic tern (Sterna paradisaea) is a tern in the family Laridae. These amazing birds perform the longest migrations known in the animal world. They have a circumpolar breeding distribution and see two summers each year. Arctic terns nest once...
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 Gentoo penguin (Pygoscelis papua) is a penguin species (or possibly a species complex) in the genus Pygoscelis. It is most closely related to the Adélie penguin and the Chinstrap penguin. Gentoo penguins are the fastest underwater swimmers of...
The Macaroni penguin (Eudyptes chrysolophus) is a species of penguin found from the Subantarctic to the Antarctic Peninsula. It is very closely related to the Royal penguin, and some authorities consider the two to be a single species. Numbering up...
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 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 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 Southern right whale (Eubalaena australis) is a baleen whale, one of three species classified as right whales. These whales are known to be rather active on the water surface and curious towards human vessels. They like to interact with humans...
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 African fish eagle (Haliaeetus vocifer) is a large species of eagle found throughout sub-Saharan Africa near large bodies of open water with an abundant food supply. It may resemble the Bald eagle in appearance; though related, each species...
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 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...
The Great crested grebe (Podiceps cristatus) is an aquatic diving bird noted for its elaborate mating display. It is the largest member of the grebe family found in the Old World, with some larger species residing in the Americas. These birds are...
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 great white shark (Carcharodon carcharias), also known as the white shark, white pointer, or simply great white, is a species of large mackerel shark which can be found in the coastal surface waters of all the major oceans. It is the only known...
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 Weddell seal (Leptonychotes weddellii ) is a relatively large and abundant true seal with a circumpolar distribution surrounding Antarctica. The Weddell seal was discovered and named in the 1820s during expeditions led by British sealing captain...
The little blue heron (Egretta caerulea ) is a small heron belonging to the family Ardeidae.
Risso's dolphin (Grampus griseus) is one of the most mysterious and little known-species of dolphin with a rather unusual appearance. It is named after Antoine Risso, whose study of the animal formed the basis of the recognized description by...
