One of these animals named Asena is credited with leading the Turks out of their original homeland.  
According to Lithuanian folklore, Vilnius was founded after Grand Duke Gediminas dreamt of one of these animals made of iron. One of these animals named Asena is credited with leading the Turks out of their original homeland.  The Welsh king Vereticus was transformed into one of these creatures by St. Patrick, while the Norse priestess Hyndla rides one of these creatures. A monument to one of these animals is notably housed on its namesake Capitoline Hill in Rome, and two of these cause eclipses in Norse myth by attempting to eat the sun and moon. For ten points, name this predatory mammal, a female of which suckled Remus and Romulus.
According to Lithuanian folklore, Vilnius was founded after Grand Duke Gediminas dreamt of one of these animals made of iron.
{wolf} [accept: {Canis lupus}]