Bats unique to the Solomon Islands include the Dwarf Flying Fox (ARKive), the Makira Flying Fox (ARKive), Fardoulis' Blossum-bat (Planet' Mammiferes), the New Georgia Monkey-faced Bat (Lubee), and the Montane Monkey-faced Fruit Bat (Australian Museum pdf file), Endemic rodents include the King Rat (top at Google Books) and the Isabel Giant Rat (Planet' Mammiferes).
restricted to the Solomon Islands include the Lake Tenggano
Krait Laticauda crockeri
the Arboreal Blind Snake Ramphotyphlops
the Rennell Monitor Varanus
the Solomon Ring-tailed Gecko Cyrtodactylus
salomonensis (p. 30 of ESSI
pdf file), the Yellow-eyed Scaly-toed Gecko Lepidodactylus flaviocularis
Emo Skink Emoia
maculata (fig. f at Internet
Archive), the Red-lipped Striped Skink Emoia rufilabialis
and Schmidt’s Emo Skink Emoia
schmidti (both at Internet
Archive), Bignell's Forest Skink
(eol), Poncelet's Crocodile
Skink Tribolonotus ponceleti (p.58 of ESSI pdf file), and the Solomons Tree Dragon Hypsilurus macrolepis (SysTax).
Small-eyed Snake Loveridgelaps
is an endemic genus.
Endemic amphibians include the Malukuna Webbed Frog Discodeles malukuna (p. 25 of ESSI pdf file) and the recently described Platymantis desticans and Platymantis parilis (both at Zootaxa pdf file).
Recently described endemic freshwater gobies include Lentipes kolobangara (Species New to Science), Lentipes solomonensis (WSRD pdf file), and Eleotris bosetoi (BioOne). Marine fish unique to the Solomon Islands include a shrimpgoby Vanderhorstia attenuata (eol) and a cardinalfish Ostorhinchus pallidus (aqua). A collared wriggler Paraxenisthmus springeri (Native Fish Lab pdf file) from Florida Island is an endemic genus of marine fish.
Butterflies exclusive to the Solomons include Schneider’s Surprise Tiradelphe schneideri (fzi.uni-freiburg.de), Papilio erskinei (GloBIS), Mycalesis richardi (flickr), and Argyronympha rubianensis (flickr). Other endemic insects include a stick insect Megacrania phelaus (Phasma), the longhorned beetles Batocera lamondi (BioLib) and Xixuthrus costatus (cerambycoidea.com), a carrion beetle Nicrophorus reticulatus (eol), a bess beetle Gonatas naviculator and a weevil Elytrurus lapeyrousei (both at Futura-Sciences), a plant bug Campylomma guadalcanalica (Discover Life), a cicada Inflatopyga langeraki (p. 13 of UvA DARE), a damselfly Pseudagrion incisurum (p. 16 of IUCN pdf file), a dragonfly Tapeinothemis boharti (p. 95 of WSRD pdf file), and the ants Stigmatomma gnoma (AntWiki) and Stereomyrmex dispar (AntWeb).
Land snails known only from the Solomon Islands include Partula cramptoni (AMNH), Papuina vexillaris (Simon's Specimen Shells), Megalacron sellersi (Simon's Specimen Shells), Placocharis manni (Species ID) and Placostylus strangei (p. 8 of COA pdf file). Sesarmoides (or Karstama) ultrapes (AToL Decapoda pdf file) is an endemic cave-dwelling crab.
Among the plant species found solely in the Solomons are several palms including Areca guppyana (flickr), Clinostigma gronophyllum (PACSOA), Drymophloeus subdistichus (PACSOA), Heterospathe minor (PACSOA), Livistona woodfordii (ARKive), and Physokentia insolita (PACSOA). Other endemic plants include the orchids Dendrobium rennellii (IOPSE) and Dendrobium gnomus (IOPSE), the ant plant Hydnophytum kajewskii (botanicgardens.ie), Heliconia lanata (flickr), the Solomon Blackwood Xanthostemon melanoxylon (Botanic Gardens Trust pdf file), Begonia salomonensis (SE Asian Begonia Database), a fern Antrophyum solomonense (ResearchGate), a ginger Alpinia conferta (JSTOR), Calophyllum obscurum (ARKive), Syzygium delicatulum (JSTOR), and Mussaenda kajewskii (JSTOR). Allowoodsonia whitmorei (JSTOR) is an endemic genus.
The Solomon Islands is part of the East Melanesian Islands biodiversity hotspot (CEPF) and includes portions of the Solomon Islands Rain Forests (EoE) and the Vanuatu Rain Forests (EoE) terrestrial ecoregions. The Solomon Group Endemic Bird Area (BirdLife Int'l), which also includes the islands of Bougainville and Buka in Papua New Guinea, has more endemic bird species than any other endemic bird area in the world. Freshwater endemism is summarised in (WSRD pdf file).