By sight
By touch
By smell
By taste
Has a wider head
Has a wider head and larger teeth
Has larger teeth
Eats other salamanders
Fish and Frogs
Insects and Plants
Rocks and Sand
Aquatic crustaceans and insects
have distinctive physical traits associated with their behavior.
have special teeth associated with their cannibalistic behavior.
have distinctive physical traits associated with their cannibalistic behavior.
don't have distinctive physical traits associated with their cannibalistic behavior.
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.
High incidence of disease caused by a bacterial infection
There are no disadvantages
Medium incidence of disease caused by a bacterial infection
Low incidence of disease caused by a bacterial infection
Mountain meadow ponds between 2,600 and 5,000 feet
All mountain meadow ponds
Mountain meadow ponds between 5,000 and 9,600 feet
All ponds