A birds unique to the Falklands is the Falkland Flightless Steamer Duck (ARKive). Cobb’s Wren Troglodytes cobbi (Falklands Conservation) is also often considered a full species distinct from the widespread House Wren Troglodytes aedon.
The only endemic mammal, the Falkland
Islands Wolf (ARKive),
became extinct in 1876.
Marine fish that may be restricted to the Falklands include the Crested Spiny Plunderfish Harpagifer palliolatus (FishBase) and the Smalltail Sand Skate Psammobatis parvacauda (FishBase).
Invertebrates found only in the Falklands include the Falkland Islands Brocade Moth Pareuxonia falclandica and a grass moth Fernandocrambus falklandicellus (both on p. 6 of Darwin pdf file), the clocker weevil Caneorhinus biangulatus (flickr), a perimylopid beetle Darwinella amaroides (fig. 10 at Internet Archive), a water beetle Lancetes falklandicus (p. 10 of Darwin pdf file), a camel cricket Parudenus falklandicus (Insects on Stamps) (OSF), an endemic genus of stonefly Falklandoperla kelper (BioNames), a genus of money spider Falklandoglenes (World Spider Catalog), another spider Emmenomma beauchenicum (Pierron's), the freshwater snails Chilina falklandica (fig. 2 at Internet Archive) and Lymnaea brunneoflavida (fig. 1 at Internet Archive), a polychaete worm Micromaldane shackletoni (NM Wales), and several recently described sponges (SMSG pdf file) .
Endemic vascular plants in the Falklands include the Hairy Daisy Erigeron incertus (Falklands Conservation), Moore's Plantain Plantago moorei (Kew), the Vanilla Daisy Leucheria suaveolens (ARKive), the Coastal Nassauvia Nassauvia gaudichaudii (ARKive), the Falklands Nassauvia Nassauvia falklandica (MBZ), the Snakeplant Nassauvia serpens (ARKive), the False-plantain Nastanthus falklandicus (Falklands Conservation), the Smooth Ragwort Senecio vaginatus (ARKive), the Woolly Ragwort Senecio littoralis (ARKive), the Silvery Buttercup Hamadryas argentea (IUCN), the Clubmoss Cudweed Chevreulia lycopodioides (ARKive), the Antarctic Cudweed Gamochaeta antarctica (Falklands Conservation), and the Lady’s Slipper Calceolaria fothergillii (ARKive). The Falkland Rock-cress Phlebolobium maclovianum (Falklands Conservation) is an endemic genus.
The Falklands are a British overseas territory (see United Kingdom). More information on endemic Falkland species can be found at (JNCC pdf file) and in the "Ubicacion Zoogeografica de las Islas Malvinas" (UNC pdf file). The Falkland Islands State of the Environment Report 2008 (fig.gov.fk pdf file) provides an overview of current knowledge of the biodiversity of the Falklands.