Hamadryas februa, the gray (or grey) cracker, is a species of cracker butterfly in the family Nymphalidae. It is found from Argentina north through tropical America to Mexico. Rare strays can be found up to the lower Rio Grande Valley in southern Texas. The habitat consists of subtropical forests, forest edges and cultivated areas with trees.

The wingspan is 70–86 mm. Adults are on wing year round in the tropics and from August to October in southern Texas. They feed on sap and rotting fruit.

The larvae feed on Dalechampia and Tragia species.

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