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Bay Field Guide

The Bay Field Guide profiles many of the plants and animals that live in the Chesapeake Bay watershed. Explore the Field Guide to learn about more than 200 species of algae, bay grasses, birds, fish, insects, invertebrates, mammals, plants and trees, and reptiles and amphibians. Each month, the Field Guide grows as we add a new Critter of the Month.

You can browse the Field Guide by type of critter or by habitat. You can also click on the images below to explore some of the newest and most popular species in our Field Guide.

Critter Of The Month

Redhead
Aythya americana

The redhead is a medium sized diving duck that visits the Chesapeake Bay during its winter migration to Texas and Mexico.


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