Which among the following is likely to have the higher levels of DDT deposition in this body?

Chlorinated hydrocarbons like DDT pass into the food chain and increase the amount per unit weight of organisms with the rise in trophic level due to their accumulation in fat. Amon the given animals, the seagull which is a fish-eating bird and is present at a higher trophic level, so it has high levels of DDT deposition in its body.