Guadeloupe
Guadeloupe has up to 30 vascular plant species found nowhere else (CBAF WM) (see also p. 11 of uicn.fr pdf) including several orchids: Specklinia mazei (iNaturalist), Octomeria ffrenchiana (iNaturalist) (Google Books), Stelis dussii (iNaturalist), and Pseudocentrum guadalupense (iNaturalist). Other endemic plants include a bromeliad Aechmea flemingii (FCBS WM) (p. 30 of ResearchGate pdf), Lobelia persicifolia (iNaturalist), a false buttonweed Spermacoce dussii (iNaturalist) (Tela Botanica), Miconia vulcanica (CBAF WM), a rush Juncus guadeloupensis (Sysbio) (iNaturalist), Anthurium dussii (HTBG WM), Ipomoea walpersiana (flickr), Vernonia albicaulis (CBAF WM), Verbesina guadeloupensis (iNaturalist), Lindsaea lherminieri (tiracoon.fr), a lacefern Ctenitis (or Megalastrum) macrotheca (CBAF WM), and a dwarf polypody Grammitis stipitata (p. 7 of uicn.fr pdf).
Endemic trees include Inga sastreana (97px.fr) (GBIF), Meliosma pardonii (GBIF), Ocotea l'herminieri (CBAF WM), and Ocotea dussii (GBIF).
Birds unique to Guadeloupe include the Guadeloupe Woodpecker (eBird) and the recently extinct Guadeloupe Amazon (WPT) and Guadeloupe Parakeet (Wikipedia).
The Guadeloupe Big Brown Bat Eptesicus guadeloupensis (p. 7 of OFB pdf) (ASFA pdf) (iNaturalist) is an endemic mammal.
Endemic reptiles include the Guadeloupe Racer (ASFA WM), the Terre-de-Bas Racer (iNaturalist), the Terre-de-Haut Racer (iNaturalist), the Guadeloupe Blindsnake Antillotyphlops guadeloupensis (caribherp WM) (GBIF), the Les Saintes Dwarf Gecko (iNaturalist), the Kahouanne Anole (tiracoon.fr), the Les Saintes Anole (p. 38 of ResearchGate pdf) (iNaturalist), the Petite Terre Anole (iNaturalist), the La Desirade Anole (iNaturalist), the Marie Gallant Sail-tailed Anole (iNaturalist), the Guadeloupe Anole (iNaturalist), the Marie-Gallante Skink Capitellum mariagalantae (PLAZI), the DeĢsirade Skink (iNaturalist), the Petite Terre Skink Mabuya (ResearchGate), the Cochons Skink Mabuya cochonae (PLAZI), and the extinct Guadeloupe Whiptail (GBIF).
Amphibians restricted to Guadeloupe include the Guadeloupe Stream Frog Eleutherodactylus barlagnei (CalPhotos) and the Guadeloupe Forest Frog Eleutherodactylus pinchoni (iNaturalist).
Endemic beetles include a pleasing fungus beetle Iphiclus guadeloupensis (tiracoon.fr), a firefly Photinus discoideus (tiracoon.fr), an ox beetle Strategus syphax (iNaturalist), the weevils Palliolatrix insignis (tiracoon.fr) and Ixanchonus hustachei (fig. 2J at ResearchGate), a ground beetle Semiardistomis laevistriatus (GBIF), a scarab Dyscinetus questeli (iNaturalist), a darkling beetle Lorelus guadeloupensis (p. 348 of ResearchGate pdf), and several longhorn beetles: Adesmus nigriventris (tiracoon.fr), Elaphidion excelsum (SEAG), Gourbeyrella romanowskii (SEAG), Rosalba arawakiana (Lamiinae of the World), Strangalia bonfilsi (tiracoon.fr), Taeniotes insularis (SEAG), and Carneades bicincta (Cerambycidae).
Other insects known only from Guadeloupe include a tiger moth Eriphioides (or Antichloris) toddi (tiracoon.fr), a noctuid moth Eriopyga herbuloti (GBIF), a damselfly Protoneura romanae (tiracoon.fr), a cicada Fidicina guadeloupensis (iNaturalist), the stick insects Bacteria donskoffi (iNaturalist) and Clonistria guadeloupensis (iNaturalist), the katydids Karukerana aguilari and Xerophyllopteryx fumosa (both at ResearchGate) and Acantheremus bonfilsi (OSF), the crickets Rhumosa bolognei (GBIF) and Paragryllus martini (tiracoon.fr), the bees Megachile vitraci (tiracoon.fr) and Melipona variegatipes (Karunati), and a damsel bug Arachnocoris karukerae (p. 24 of HAL pdf). A butterfly Chlorostrymon lalitae (tiracoon.fr) is sometimes considered distinct from the more widespread Chlorostrymon clenchi.
Other endemic invertebrates include a tarantula Holothele sulfurensis (tiracoon.fr WM), a goblin spider Scaphiella etang (AMNH WM), a long-jawed orb weaver Chrysometa guadeloupensis (figs. 85-89 at BHL), a harvestman Stygnoplus flavitarsis (iNaturalist), the scorpions Oiclus cousteaui (ResearchGate) (iNaturalist) and Oiclus nanus (ResearchGate) and Oiclus tite (fig. 18 at reservesdesiradepetiteterre.com pdf), a whip-spider Charinus desirade (ResearchGate), a centipede Ityphilus mauriesi (ResearchGate), the millipedes Iomus thibaudi (BHL) and Hoffmanorhacus sahlii (iNaturalist), a velvet worm Peripatus bavaysi (iNaturalist), the earthworms Dichogaster etaspiqui (GBIF) and Periscolex nevoi (ResearchGate), and a bryozoan Disporella guada (EJT pdf).
Endemic land snails include Pleurodonte pachygastra (tiracoon.fr), Schrammia schrammi (fig. 1 on p. 9 of ResearchGate pdf), Oleacina guadeloupensis (p. 12 of OFB pdf), Bulimulus lherminieri (tiracoon.fr), Pellicula depressa (iNaturalist), Amphicyclotulus schrammi (fr.wikipedia), and Amphicyclotulus beauianus (fig. 2 on p. 9 of ResearchGate pdf). Endemic marine gastropods include the nudibranchs Felimare lalique (GBIF) and Corambe osculabundus (Wikimedia Commons), Triphora guadaloupensis (Internet Archive), and the cone snails Conus piti and Conus desiradensis (both at ResearchGate).
Endemic fungi include Gomphus guadelupensis (IUCN), Phaeoradulum guadelupense (IUCN) (p. 9 of USDA pdf), and Lactifluus guadeloupensis (fig. 2C at ResearchGate). Endemic lichens include Enterographa serusiauxii (ResearchGate) and Ocellularia dussii (GBIF). Endemic non-vascular plants include the liverworts Frullania trigona and Riccardia innovans and a moss Trichosteleum glaucinum (all at ResearchGate). A red algae Crassitegula bouchetii (fig. 2 at EJT pdf) is also known only from Guadaloupe.
The world's largest bacteria Thiomargarita magnifica (ResearchGate) is known only from Guadeloupe.
Guadeloupe is an overseas region of France and part of the Caribbean Islands biodiversity hotspot (Biodiversity Hotspots WM). Most of the island is part of the Leeward Islands Moist Forests ecoregion (EoE WM). An overview of Guadeloupe's biodiversity is provided at (uicn.fr pdf), 632 endemic insect species are indicated in the list at (Insecta Mundi pdf), all arthropods are at (ResearchGate), and a listing of endemic land molluscs is at (p. 4 of ResearchGate pdf). The Inventaire National du Patrimoine Naturel provides lists of endemic animals (INPN) and endemic plants (INPN).