How do you say amphibian in Bulgarian?
— Земноводни

Generic synonyms for amphibian in Bulgarian
aeroplaneсамолет; авион (m) (avión)
airplaneсамолет (m) (samolet); авион (m) (avión)
Specialized synonyms for amphibian in Bulgarian
frogжаба (f) (zhaba)
toadкрастава жаба (f) (krastava žaba)