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