|This article is about the mutants that appeared in Ultimate Alien. For the one that appeared in Ben 10, see Mutant Seagull.|
|Powers and Abilities|
|Abilities|| Enhanced Strength|
|First Appearance||The Widening Gyre|
Mutant Seagulls are animals that were mutated by the environment in The Widening Gyre.
Mutant Seagulls have the appearance of a regular seagull except they are a lot larger and have red eyes. One was seen as a corpse.
Mutant Seagulls' personalities are wild and they have a craving for food.
Powers and Abilities
Mutant Seagulls can fly and have enhanced strength due to their size.
Mutant Seagulls can be easily be hurt or killed if a weapon shoots at them or an alien hurts them.
- Dr. Animo had a mutated seagull different than the ones in The Widening Gyre.
- A Mutant Seagull's sceech sounds similar to Anguirus from the Godzilla series.