The following table, prepared by the International Union for the Conservation of Nature (IUCN), lists 60 endangered species on St. Helena, Ascension Island and Tristan da Cunha. The IUCN is the internationally recognised source of information on global endangered species.
In 2001, the Government signed Environment Charters with the Overseas Territories, including with St. Helena and its dependencies. The charters consist of a list of commitments for the Government and individual overseas territory governments to take forward to protect and safeguard the environment of each territory.
The Government provide funding through the Overseas Territories Environment Programme, a joint Foreign and Commonwealth Office and Department for International Development-funded programme, to assist the territories with the implementation of the charters. Assistance to encourage environment conservation on St. Helena, Ascension Island and Tristan da Cunha is also provided through the Department for the Environment, Food and Rural Affairs-funded Darwin initiative.
Class/Kingdom Phylum Order Family Latin name Species Common name Insecta Animalia Arthropoda Dermaptera Labiduridae Labidura herculeana Herculeana Saint Helena Earwig, Actinopterygii Animalia Chordata Gadiformes Moridae Physiculus helenaensis Helenaensis Skulpin Animalia Chordata Perciformes Callionymidae Callionymus sanctaehelenae Sanctaehelenae St. Helena Dragonet Animalia Chordata Perciformes Scombridae Thunnus maccoyii Maccoyii Southern Bluefin Tuna Aves Animalia Chordata Charadriiformes Charadriidae Charadrius sanctaehelenae Sanctaehelenae St. Helena Plover Animalia Chordata Passeriformes Emberizidae Rowettia goughensis Goughensis Gough Bunting Animalia Chordata Procellariiformes Diomedeidae Diomedea dabbenena Dabbenena Tristan Albatross Polypodiopsida Plantae Polypodiophyta Blechnales Lomariopsidaceae Elaphoglossum dimorphum Dimorphum — Plantae Polypodiophyta Pteridales Pteridaceae Pteris adscensionis Adscensionis — Magnoliopsida Plantae Tracheophyta Asterales Compositae Commidendrum spurium Spurium False Gumwood Plantae Tracheophyta Asterales Compositae Lachanodes arborea Arborea She Cabbage Tree Plantae Tracheophyta Asterales Compositae Pladaroxylon leucadendron Leucadendron HE Cabbage Tree Plantae Tracheophyta Campanulales Campanulaceae Wahlenbergia linifolia Linifolia Large Bellflower Plantae Tracheophyta Caryophyllales Chenopodiaceae Atriplex plebeja Plebeja — Plantae Tracheophyta Euphorbiales Euphorbiaceae Euphorbia origanoides Origanoides Ascension Spurge Plantae Tracheophyta Malvales Sterculiaceae Trochetiopsis ebenus Ebenus Ebony, St . Helena Ebony Plantae Tracheophyta Rhamnales Rhamnaceae Phylica polifolia Polifolia Rosemary, St Helena Rosemary Plantae Tracheophyta Solanales Solanaceae Mellissia begonifolia Begonifolia — Aves Animalia Chordata Procellariiformes Diomedeidae Diomedea sanfordi Sanfordi Northern Royal Albatross Animalia Chordata Procellariiformes Diomedeidae Phoebetria fusca Fusca Sooty Albatross Animalia Chordata Procellariiformes Diomedeidae Thalassarche chlororhynchos Chlororhynchos Atlantic Yellow-Nosed Albatross Animalia Chordata Procellariiformes Procellariidae Pterodroma incerta Incerta Atlantic Petrel Animalia Chordata Sphenisciformes Spheniscidae Eudyptes moseleyi Moseleyi — Mamalia Animalia Chordata Cetartiodactyla Balaenopteridae Balaenoptera musculus Musculus — Reptilia Animalia Chordata Testudines Cheloniidae Chelonia mydas Mydas Green Turtle Polypodiopsida Plantae Polypodiophyta Blechnales Lomariopsidaceae Elaphoglossum nervosum Nervosum Veined Tongue-Fern Liliopsida Plantae Tracheophyta Cyperales Gramineae Agrostis trachychlaena Trachychlaena — Magnoliopsida Plantae Tracheophyta Apiales Umbelliferae Sium burchellii Burchellii Dwarf Jellico Plantae Tracheophyta Asterales Compositae Commidendrum robustum Robustum Gumwood Plantae Tracheophyta Asterales Compositae Petrobium arboreum Arboreum Whitewood Plantae Tracheophyta Campanulales Campanulaceae Trimeris scaevolifolia Scaevolifolia — Plantae Tracheophyta Campanulales Campanulaceae Wahlenbergia angustifolia Angustifolia Small Bellflower Plantae Tracheophyta Rubiales Rubiaceae Nesohedyotis arborea Arborea Dogwood Actinopterygii Animalia Chordata Perciformes Labridae Thalassoma ascensionis Ascensionis — Animalia Chordata Perciformes Pomacanthidae Centropyge resplendens Resplendens Resplendent Pygmy Angelfish Animalia Chordata Perciformes Pomacentridae Chromis sanctaehelenae Sanctaehelenae — Animalia Chordata Perciformes Pomacentridae Stegastes sanctaehelenae Sanctaehelenae — Animalia Chordata Perciformes Scombridae Thunnus obesus Obesus Bigeye Tuna Animalia Chordata Scorpaeniformes Scorpaenidae Pontinus nigropunctatus Nigropunctatus Deepwater Jack Animalia Chordata Tetraodontiformes Balistidae Balistes vetula Vetula Queen Triggerfish Aves Animalia Chordata Gruiformes Rallidae Atlantisia rogersi Rogersi Inaccessible Rail Animalia Chordata Gruiformes Rallidae Gallinula comeri Comeri Gough Moorhen Animalia Chordata Passeriformes Emberizidae Nesospiza acunhae Acunhae Tristan Bunting Animalia Chordata Passeriformes Emberizidae Nesospiza wilkinsi Wilkinsi Grosbeak Bunting Animalia Chordata Pelecaniformes Fregatidae Fregata aquila Aquila Ascension Frigatebird Animalia Chordata Procellariiformes Diomedeidae Diomedea epomophora Epomophora Southern Royal Albatross Animalia Chordata Procellariiformes Diomedeidae Diomedea exulans Exulans Wandering Albatross Animalia Chordata Procellariiformes Diomedeidae Thalassarche chrysostoma Chrysostoma Grey-Headed Albatross Animalia Chordata Procellariiformes Procellariidae Procellaria aequinoctialis Aequinoctialis White-Chinned Petrel Animalia Chordata Procellariiformes Procellariidae Procellaria conspicillata Conspicillata Spectacled Petrel Chondrichthyes Animalia Chordata Carcharhiniformes Carcharhinidae Carcharhinus longimanus Longimanus Oceanic Whitetip Shark, White-Tipped Shark, Whitetip Oceanic Shark, Whitetip Shark Mammalia Animalia Chordata Cetartiodactyla Physeteridae Physeter macrocephalus Macrocephalus Cachelot, Pot Whale, Sperm Whale, Spermacet Whale Enopla Animalia Nemertina Hoplonemertea Prosorhochmidae Katechonemertes nightingaleensis Nightingaleensis — Polypodiopsida Plantae Polypodiophyta Blechnales Lomariopsidaceae Elaphoglossum bifurcatum Bifurcatum — Liliopsida Plantae Tracheophyta Cyperales Gramineae Sporobolus caespitosus Caespitosus — Magnoliopsida Plantae Tracheophyta Apiales Umbelliferae Sium bracteatum Bracteatum Jellico, Large Jellico Plantae Tracheophyta Asterales Compositae Commidendrum rugosum Rugosum Scrubwood Plantae Tracheophyta Asterales Compositae Cotula moseleyi Moseleyi — Plantae Tracheophyta Asterales Compositae Melanodendron integrifolium Integrifolium Black Cabbage Tree Plantae Tracheophyta Violales Frankeniaceae Frankenia portulacifolia Portulacifolia St Helena Tea, Tea Plant