Animals that are both predator and prey are part
of what makes the Web of Life more complicated than a simple food
chain. Imagine this event.
You are walking along a trail in lower Sabino Canyon
and you see a roadrunner eating a lizard. Which one is predator and
which one is prey? Right! The roadrunner is the predator (diner) and
the lizard is the prey (dinner). You look into the shade under a bush
and see a rattlesnake swallowing a pocket mouse. In this food chain,
the rattlesnake is the what? Right! It is the predator.
But the roadrunner is still hungry. It sees the rattlesnake
resting in the shade. It knows that the rattlesnake is slower when
it's digesting its food. The roadrunner strikes and catches the rattlesnake
off-guard. It eats the rattler. What is the rattlesnake now? Predator
or prey?
Simple Food Chains |
collared lizard <---- roadrunner
pocket mouse <---- black-tailed
rattlesnake |
A Small Part
of a Food Web |
paloverde
seed pods <---- insects
<---- collared
lizard <---- roadrunner
paloverde seed pods <----
pocket mouse <----
black-tailed rattlesnake
<----> roadrunner |
Key: |
producer |
prey (consumer) |
predator (secondary consumer) |
predator
and prey |