All mountain meadow ponds

All ponds

Mountain meadow ponds between 5,000 and 9,600 feet

Mountain meadow ponds between 2,600 and 5,000 feet

have special teeth associated with their cannibalistic behavior.

have distinctive physical traits associated with their behavior.

have distinctive physical traits associated with their cannibalistic behavior.

don't have distinctive physical traits associated with their cannibalistic behavior.

Has a wider head and larger teeth

Eats other salamanders

Has a wider head

Has larger teeth

Researchers did not study the likelihood of extinction.

Cannibals were not an indicator of extinction.

It is lower when there are a lot of cannibals.

It is higher when there are a lot of cannibals.

Medium incidence of disease caused by a bacterial infection

There are no disadvantages

High incidence of disease caused by a bacterial infection

Low incidence of disease caused by a bacterial infection

By taste

By smell

By sight

By touch

Insects and Plants

Rocks and Sand

Aquatic crustaceans and insects

Fish and Frogs