While most frogs have these only on the upper jaw most toads lack them altogether

The Red Hills species of this Alabama's state amphibian was discovered in 1960; a second one wasn't found until 1963

Special these in a toad's warts secrete poison that can cause paralysis or death in small animals

Sirens look fishlike with tiny front legs no back legs & external these for oxygen-CO2 exchange

A species of fish with a big round head & a skinny tail is called this fish after the young of many amphibians

The larvae of frogs are known as tadpoles or these from the Middle English for wiggle head

Unlike on most salamanders this part of a newt is flat

If you've heard them croaking together you know why a group of frogs is known by this musical term

A North American salamander known as the Congo this doesn't walk but slithers in a serpentine fashion

In the south this large salamander is sometimes called a water dog

A South American toad displays its orange feet to predators to let them know it's this

In salamanders named for a lack of these internal organs a tiny pulmonary artery runs in the body wall

A South African frog favors the arum type rather than the water type of this plant

Many caecilians have these in their skin like snakes which they resemble but unlike most other amphibians

4-letter word for a salamander that leans toward the land side of amphibianness

Phyllobates terribilis from this continent is one of the more lethal of the poison dart frogs

The long slithery amphiuma is also called the Congo snake or the Congo type of this fish

Appropriately a foot-long 7-lb. African frog bears the name of this 6-cubits-&-a-span Biblical person

The smooth type of this common variety of salamander is seen here

This word from the Latin for wave describes the way some amphibians move

Midwife toads are so named because the male carries these on his back until hatching

Some salamanders retain these respiratory organs after lungs develop

Some of these larval frogs are carnivorous & may feed on their siblings

The eel-like amphiuma has 4 tiny vestigial ones of these appendages

Amphibians were probably the first of these creatures with backbones to venture onto land