Answer:
Primary consumer.
Step-by-step explanation:
Ok, so a producer is stuff like grass. Then you've got decomposers, which are maggots and vultures and animals like that (ew). Our primary consumer is the bird, then you've got the snake which eats the bird, and then there's the alpha predator, the hawk, which can eat both the snake and the bird. We call the alpha predator the tertiary consumer.
Do you get it now?