The Chisel-toothed Kangaroo Rat has chisel-shaped lower incisors, with which it strips the epidermis from the leaves of desert shadscale or saltbush, thereby reaching the palatable and water-rich interior of the leaf. This Kangaroo Rat...

The Yellow-bellied Marmot has the thickset build characteristic of the genus. Its fur is relatively long and coarse, with buffy to yellowish hair running from the sides of the neck down along the chest. Learn more about the Marmota...

The striped dolphin is the largest of the five relatively small dolphins in the genus Stenella. Shy and wary of boats in some areas of the Pacific, and seen riding the bow waves of boats in other places, these dolphins make long, shallow...

The Great Basin Pocket Mouse is the largest member of the genus. It inhabits arid and semi-arid habitats in nearly the entire Great Basin region of western North America, particularly where sagebrush dominates the vegetation. Learn more...

The Encyclopedia of Life presents this in-depth overview of Cone Snails (Conus), including their habitats, size, conservation status, and much more. Images of this genus and maps of its global distribution can also be found here.

Zander and walleye fish are closely related sport fish that belong to the same genus and they may look similar but don't taste the same when eaten. This resource provides facts about them, their diet, life cycle, fishing for them, and...

Alphabetical listing from the University of California of info on each of the animal phyla. Includes scientific and common names and photos. Characteristics of each group are explained in detail.

An excellent starting point. Get a good description of what the dichotomous key for tree identification is and then directions for using it to identify trees.

This essay provides a picture along with brief physical description of one of modern man's earliest ancestors.

This site contains information on the Thomisidae family and offers plenty of pictures. Includes a section on the mating habits of the Genus Xysticus.

A photo of a bobcat lying on the ground. The bobcat is a North American wildcat that is part of the Lynx genus. There are 12 subspecies of bobcat that live between southern Canada and northern Mexico. The bobcat is a predator that eats...

Wikipedia, an open-source encyclopedia, offers great information on the classification system used in Biology. Covers the benefits of the system, history, and general information on the whole system together.

This lesson will introduce taxonomy and give an example by providing the scientific classification of an organism. It is 1 of 2 in the series titled "Classification of Organisms."

What do centipedes and crabs have in common? What's so special about a backbone? Check this site out from The Franklin Institute if you are interested in biology and classification.

Use this website to test your knowledge of which animals belong to which groups.

An image of the Maryland State Reptile.