Many species of true frogs have two ridges than run down the back. These ridges begin at the eye and go all or partially down the back. In some species these ridges are a contrasting colour to the back. Lungless Salamander One of eight Families of salamanders, only four of which are found in Canada. The largest family of salamanders, as their name implies they have no lungs, breathing entirely through their skin.
Most species are terrestrial but some are highly aquatic.
Lungless salamanders are found across Canada except the three prairie provinces and the two territories. Mole Salamander One of the four Families of salamanders found in Canada. World-wide there are eight Families. These salamanders have stout bodies and limbs compared with other families. Adults spend most of the year underground, leaving their burrows only during the breeding season.