Do you mean:

* Eastern deciduous forests? These are forests found in the eastern United States and Canada, characterized by trees that lose their leaves in the fall.

* Eastern gray squirrels? These squirrels are common in eastern North America, living in various habitats like forests, woodlands, parks, and even urban areas.

* Eastern painted turtles? These turtles are found in freshwater habitats like ponds, lakes, and slow-moving rivers across eastern North America.

* A specific species of animal or plant that is native to the Eastern United States?

Please provide more information so I can give you a more accurate answer!