This kids' online encyclopedia includes maps, videos, images, a read-to-you function, links to Spanish language articles, citations. Each article has a link to a more in-depth article in World Book Student.
National Geographic Kids includes all magazines from 2009 to the present, as well as books, videos, and images. It's a good source for images, videos or fun facts, which may take some digging.
This resource does not provide leveled text or read-to-you.
This site provides information about a limited number of Maine animals, information about Maine wildlife tracks, and links to to other useful State of Maine sites.
This does not have leveled text or a read-to-you function..
University Sites (.edu)
This resource is produced by the University of Michigan Department of Zoology.