Antigua and Barbuda
The Barbuda Warbler (Neotropical Birds) is unique to the island of Barbuda.
Antiguan Racer (ARKive)
is a critically threatened snake surviving only on Great Bird Island.
The Antiguan Anole Anolis
leachii from Antigua and Barbuda (flickr)
has been introduced elsewhere, but the Redonda Anole Anolis nubilus is
known only from Redonda (fig. 4 at BHL).
The Antiguan Ground Lizard Ameiva
griswoldi is found on both Antigua and Barbuda (ARKive).
while the Redonda Ground Lizard Ameiva
Herpetology) and the Redonda Skink Copeoglossum redondae
are unique to Redonda. Also endemic are the
Antiguan Dwarf Gecko Sphaerodactylus
the Barbuda Bank Bush Anole Anolis wattsi (Caribherp),
and the Barbuda Anole Anolis
forresti (fig. 6 at Internet
Bulimulus hummelincki is a recently extinct endemic snail (Femorale). Arthropods known only from Antigua include an ermine moth Atteva intermedia (fig. 10 at SciELO Brazil), a rove beetle Belonuchus antiguae (p. 7 of Univ. Nebraska pdf file), several other beetle species (p. 9 of Univ. Nebraska pdf file), a planthopper Catonia antiguana (FLOW), the goblin spiders Oonops aristelus (ResearchGate) and Scaphioides halatus (BHL), a harvestman Stygnoplus antiguanus (p. 38 of USP pdf file), and a pseudoscorpion Neoallochernes minor (Pseudoscorpions of the World).
Pectis ericifolia from Barbuda (Plants of the Eastern Caribbean) and Coccoloba boxii from Antigua (JSTOR) are endemic flowering plants.
Antigua and Barbuda are included in the Caribbean Islands biodiversity hotspot (CEPF)