There is a distinct species of ibex (Capra pyrenaica) confined to the range, while the Pyrenean desman or water-mole (Mygale pyrenaica) is found only in some of the streams of the northern slopes of these mountains, the onlyother member of this genus being confined to the rivers of southern Russia.
Limulus, Scorpio, Mygale, Acarus.
Among the venomous reptiles and insects are the rattlesnake, the Gila monster (Heloderma suspectum), a poisonous lizard, and the tarantula (Mygale Heintzii), which, however, are common only in certain places and at certain seasons.
The largest of these is the Mygale with a body 2 in.
A large Mygale found on the island of Siriba, of the Abrolhos group, feeds upon lizards, and has been known to attack and kill young chickens.