feuerkr["o]te

from The Collaborative International Dictionary of English v.0.48

Unke \Un"ke\, n. [G. unke.] (Zool.)
   A European aquatic toad ({Bombinator igneus}). Its back is
   dark; its belly is marked with crimson. Called also
   {feuerkr["o]te}.
   [1913 Webster]