If a red tailed hawk eats birds and small mammals would it be tertiary or secondary consumer?

A red-tailed hawk is a secondary consumer.

A primary consumer is an organism that eats plants. A secondary consumer is an organism that eats primary consumers. A tertiary consumer is an organism that eats secondary consumers.

Red-tailed hawks eat birds and small mammals, which are both secondary consumers. Therefore, red-tailed hawks are tertiary consumers.