All mountain meadow ponds
Mountain meadow ponds between 2,600 and 5,000 feet
All ponds
Mountain meadow ponds between 5,000 and 9,600 feet
Fish and Frogs
Aquatic crustaceans and insects
Insects and Plants
Rocks and Sand
By sight
By smell
By touch
By taste
don't have distinctive physical traits associated with their cannibalistic behavior.
have distinctive physical traits associated with their cannibalistic behavior.
have distinctive physical traits associated with their behavior.
have special teeth associated with their cannibalistic behavior.
Low incidence of disease caused by a bacterial infection
High incidence of disease caused by a bacterial infection
There are no disadvantages
Medium incidence of disease caused by a bacterial infection
It is higher when there are a lot of cannibals.
It is lower when there are a lot of cannibals.
Cannibals were not an indicator of extinction.
Researchers did not study the likelihood of extinction.
Has a wider head
Has larger teeth
Eats other salamanders
Has a wider head and larger teeth