Mutant Cockatiel

Mutant bird is one of the mutants created by Dr.Animo in Washington BC Episode

Ben 10
When Dr. Animo assaulted a supermarket in Washington, with his Mutant Frog, the muta dr.animo this bird and a hamster.

its appearance changes and becomes a giant canary Dr.animo uses it to kidnap Gwen, but is saved by Stinkfly.

Take Dr.Animo the Museum, where this revives a Tyrannosaurus and a Mammoth, the museum Gwen fight with the bird, once the transmuting was destroyed, the bird returned to the normal.