salamander
salamander
none there is no amphibian starting with n
anything that starts as a tadpole or is slimy... is an amphibian!
Plains Leopard Frog is an amphibian. It begins with the letter p.
Urocordylus is an extinct amphibian. It begins with the letter u.
Toad.
bullfrog
Kings River Slender Salamander is an amphibian. It begins with the letter k.
Here's one: Japenese giant salamander
Frog.
newt
There's the American Toad , American Bullfrog and the Alligator Newt .