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Animals of Saint Helena, Ascension and Tristan da Cunha

150 species

Saint Helena, Ascension and Tristan da Cunha is a British Overseas Territory located in the South Atlantic and consisting of the island of Saint Helena, Ascension Island and the archipelago of Tristan da Cunha including Gough Island.

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Leatherback sea turtle

Dermochelys coriacea

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...

Brown Booby

Sula leucogaster

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.

Red-Footed Booby

Sula sula

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.

Pygmy sperm whale

Kogia breviceps

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.

Southern Royal Albatross

Diomedea epomophora

The Southern royal albatross (Diomedea epomophora) is a large seabird from the albatross family. At an average wingspan of above 3 m (9.8 ft), it is one of the two largest species of albatross, together with the Wandering albatross.

Seven-arm octopus

Haliphron atlanticus

The seven-arm octopus (Haliphron atlanticus ) is one of the two largest known species of octopus; based on scientific records, it has a maximum estimated total length of 3.5 m (11 ft) and mass of 75 kg (165 lb). The only other similarly large extant...

Inaccessible Island Rail

Laterallus rogersi

The Inaccessible Island rail (Laterallus rogersi) is a small secretive bird native to the isolated island in the south Atlantic. It is the smallest extant flightless bird in the world. The species was described by physician Percy Lowe in 1923 but...

White-Tailed Tropicbird

Phaethon lepturus

The White-tailed tropicbird (Phaethon lepturus) is a beautiful pelagic tropicbird. It is the smallest of three closely related seabirds of the tropical oceans and the smallest member of the order Phaethontiformes. In Bermuda, it is locally called a...

Sanderling

Calidris alba

The sanderling (Calidris alba) is a small plump wading bird that breeds on the High Arctic grounds. Its name comes from Old English sand-yrðling and means "sand-ploughman". In winter, flocks of these birds run along the sandy beaches with a...

Mahi-mahi

Coryphaena hippurus

The mahi-mahi or common dolphinfish (Coryphaena hippurus) is a surface-dwelling ray-finned fish found in off-shore temperate, tropical, and subtropical waters worldwide. Also widely called dorado (not to be confused with Salminus brasiliensis, a...

Whale shark

Rhincodon typus

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...

Masked booby

Sula dactylatra

The masked booby (Sula dactylatra ), also called the masked gannet or the blue-faced booby, is a large seabird of the booby and gannet family, Sulidae. First described by the French naturalist René-Primevère Lesson in 1831, the masked booby is one...

Parasitic jaeger

Stercorarius parasiticus

The parasitic jaeger (Stercorarius parasiticus ), also known as the Arctic skua, Arctic jaeger or parasitic skua, is a seabird in the skua family Stercorariidae. The word "jaeger" is derived from the German word Jäger, meaning "hunter". The English...

Red-billed tropicbird

Phaethon aethereus

The red-billed tropicbird (Phaethon aethereus ) is a tropicbird, one of three closely related species of seabird of tropical oceans. Superficially resembling a tern in appearance, it has mostly white plumage with some black markings on the wings and...

Swordfish

Xiphias gladius

Swordfish (Xiphias gladius), also known as broadbills in some countries, are large, highly migratory predatory fish characterized by a long, flat, pointed bill. They are a popular sport fish of the billfish category, though elusive. Swordfish are...

Grey-headed albatross

Thalassarche chrysostoma

The grey-headed albatross (Thalassarche chrysostoma ) also known as the grey-headed mollymawk, is a large seabird from the albatross family. It has a circumpolar distribution, nesting on isolated islands in the Southern Ocean and feeding at high...

Bony-eared assfish

Acanthonus armatus

The bony-eared assfish (Acanthonus armatus) is a bathypelagic species of cusk-eel found in tropical and sub-tropical oceans at depths of from 1,171 to 4,415 metres (3,842 to 14,485 ft). It has been found as far north as Queen Charlotte Sound off...

Basking shark

Cetorhinus maximus

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...

Brown noddy

Anous stolidus

The brown noddy or common noddy (Anous stolidus ) is a seabird in the family Laridae. The largest of the noddies, it can be told from the closely related black noddy by its larger size and plumage, which is dark brown rather than black. The brown...

Atlantic yellow-nosed albatross

Thalassarche chlororhynchos

The Atlantic yellow-nosed albatross (Thalassarche chlororhynchos ) is a large seabird in the albatross family. The scientific name is from Ancient Greek. Thalassarche is from thalassa, "sea" and arkhe, "command", and chlororhynchos is from khloros,...

Northern royal albatross

Diomedea sanfordi

The northern royal albatross or toroa, Diomedea sanfordi, is a large seabird in the albatross family. It was split from the closely related southern royal albatross as recently as 1998, though not all scientists support that conclusion and some...

Argonauta argo

Argonauta argo, also known as the greater argonaut, is a species of pelagic octopus belonging to the genus Argonauta. The Chinese name for this species translates as "white sea-horse's nest".A. argo was the first argonaut species to be described and...

Yellowfin tuna

Thunnus albacares

The yellowfin tuna (Thunnus albacares) is a species of tuna found in pelagic waters of tropical and subtropical oceans worldwide.Yellowfin is often marketed as ahi, from the Hawaiian ʻahi, a name also used there for the closely related bigeye tuna....

Tristan albatross

Diomedea dabbenena

The Tristan albatross (Diomedea dabbenena ) is a large seabird from the albatross family. One of the great albatrosses of the genus Diomedea, it was only widely recognised as a full species in 1998.

Clymene Dolphin

Stenella clymene

The Clymene dolphin (Stenella clymene) is a dolphin native to the Atlantic Ocean. It is the only confirmed case of hybrid speciation in marine mammals, descending from the Spinner dolphin and the Striped dolphin.

Great shearwater

Ardenna gravis

The great shearwater (Ardenna gravis ) is a large shearwater in the seabird family Procellariidae. It breeds colonially on rocky islands in the south Atlantic. Outside the breeding season it ranges widely in the Atlantic.

Cory's shearwater

Calonectris borealis

Cory's shearwater (Calonectris borealis ) is a large shearwater in the seabird family Procellariidae. It breeds colonially of rocky islands in the eastern Atlantic. Outside the breeding season it ranges widely in the Atlantic. It was formerly...

Black noddy

Anous minutus

The black noddy or white-capped noddy (Anous minutus ) is a seabird from the family Laridae. It is a medium-sized species of tern with black plumage and a white cap. It closely resembles the lesser noddy (Anous tenuirostris ) with which it was at...

Shortfin mako shark

Isurus oxyrinchus

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)....

Wilson's storm petrel

Oceanites oceanicus

Wilson's storm petrel (Oceanites oceanicus ), also known as Wilson's petrel, is a small seabird of the austral storm petrel family Oceanitidae. It is one of the most abundant bird species in the world and has a circumpolar distribution mainly in the...

Oceanic whitetip shark

Carcharhinus longimanus

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...

Common blanket octopus

Tremoctopus violaceus

The common blanket octopus or violet blanket octopus (Tremoctopus violaceus ) is a large octopus of the family Tremoctopodidae found worldwide in the epipelagic zone of warm seas. The degree of sexual dimorphism in this species is very high, with...

Leach's storm petrel

Oceanodroma leucorhoa

Leach's storm petrel or Leach's petrel (Hydrobates leucorhous ) is a small seabird of the tubenose order. It is named after the British zoologist William Elford Leach. The scientific name is derived from Ancient Greek. Hydrobates is from hydōr...

Skipjack tuna

Katsuwonus pelamis

The skipjack tuna (Katsuwonus pelamis) is a medium-sized perciform fish in the tuna family, Scombridae, and is the only member of the genus Katsuwonus. It is otherwise known as katsuo, arctic bonito, mushmouth, oceanic bonito, striped tuna or victor...

Blue shark

Prionace glauca

The blue shark (Prionace glauca), also known as the great blue shark, is a species of requiem shark, in the family Carcharhinidae, which inhabits deep waters in the world's temperate and tropical oceans. Averaging around 3.1 m (10 ft) and preferring...

Shepherd's beaked whale

Tasmacetus shepherdi

Shepherd's beaked whale (Tasmacetus shepherdi ), also commonly called Tasman's beaked whale or simply the Tasman whale, is a cetacean of the family Ziphiidae. The whale has not been studied extensively. Only four confirmed at sea sightings have been...

Sooty albatross

Phoebetria fusca

The sooty albatross, dark-mantled sooty albatross or dark-mantled albatross, (Phoebetria fusca ), is a species of bird in the albatross family. They breed on sub-Antarctic islands and range at sea across the Southern Ocean from South America to...

Albacore

Thunnus alalunga

The albacore (Thunnus alalunga), known also as the longfin tuna, is a species of tuna of the order Scombriformes. It is found in temperate and tropical waters across the globe in the epipelagic and mesopelagic zones. There are six distinct stocks...

Wahoo

Acanthocybium solandri

Wahoo (Acanthocybium solandri) is a scombrid fish found worldwide in tropical and subtropical seas. It is best known to sports fishermen, as its speed and high-quality flesh makes it a prized and valued game fish. In Hawaii, the wahoo is known as...

Cape petrel

Daption capense

The Cape petrel (Daption capense ), also called the Cape pigeon, pintado petrel, or Cape fulmar, is a common seabird of the Southern Ocean from the family Procellariidae. It is the only member of the genus Daption, and is allied to the fulmarine...

Escolar

Lepidocybium flavobrunneum

The escolar, Lepidocybium flavobrunneum, a species of fish in the family Gempylidae, is found in deep (200–885 metres, or 656–2,904 ft) tropical and temperate waters around the world. It is also known as snake mackerel, walu walu (Hawaiian,...

Tristan thrush

Turdus eremita

The Tristan thrush (Turdus eremita ), also known as the starchy, is a species of bird in the thrush family that is endemic to the British overseas territories of the isolated Tristan da Cunha archipelago in the South Atlantic Ocean.

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