There are 3 species of reptiles and same amount of amphibians found on the island. Noteworthy is natterjack toad (Epidalea calamita, formerly Bufo calamita), who lives in low-watered beach puddles. Another species under protection is the long-eared bat (Plecotus auritus).
There are about 25 species of bigger and smaller mammals, including the lynx (Felis lynx). The number of wild boars (Sus scrofa) is quite large and every year some bear can be found on the island. 211 bird species There are 211 bird species written down in Vormsi.
Especially noteworthy are the white-tailed eagles (Haliaetus albicilla) and the common cranes (Grus grus) that nest on the island. There are also peregrine falcons (Falco peregrinus), Eurasian eagle-owls (Bubo bubo), Eurasian bitterns (Botaurus stellaris) and Baltic dunlins (Calidris alpina schinzi). There are also numerous corn crakes (Crex crex), who is rare seen in other European places.
Stop on the migration route Two main migration routes for birds go through Vormsi: one goes over Haapsalu Tagalaht and Noarootsi peninsula to Virtsu and Gulf of Riga and the other one goes from Põõsaspea Cape over the north coast of Vormsi to Tahkuna direction. In spring and autumn the passage of barnacle geese (Branta leucopsis) and other geese is notable . In the autumn the fields are often grey because of common cranes.