Chesapeake Bay Program

Our regional partnership guides the restoration and protection of the nation’s largest estuary.

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What Guides Us:  The Chesapeake Bay Watershed Agreement

5 themes guide the agreement:

  • Abundant Life
  • Clean Water
  • Conserved Lands
  • Engaged Communities
  • Climate Change

Our partnership is guided by the Chesapeake Bay Watershed Agreement, which includes goals and outcomes for restoring the Bay, its tributaries and the lands that surround them.

Learn more about the latest agreement‍

Learn More About the Chesapeake Bay

The Watershed

Thousands of creeks, streams and rivers deliver fresh water to the Bay from a region that spans 64,000 square miles.

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Viewed from a scenic overlook, the rural meeting place of the North and West branches of the Susquehanna River features multiple road and rail bridges.

Food Web

A balanced food web supports a productive ecosystem, as energy flows from the Bay's plants to its predators.

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A snowy egret wading in the water tosses a small silver fish into its bill.

The Issues

Complex problems face the Bay, its watershed and the plants, animals and people that live here.

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Corn grows in a farm field as dark clouds roll in and lightning strikes low mountains in the distance.

Bay Facts

From trivia about its geography to facts about its flora and fauna, the Bay has a lot to teach us.

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A blue crab rests in a shallow puddle on the wooden deck of a boat.

Field Guide to the Chesapeake

Explore the Field Guide to learn about more than 300 species of birds, fish, insects, invertebrates, mammals, plants, reptiles and amphibians that live in the Chesapeake Bay region.

Visit the field guide‍

Critter of the month

Red-Eyed Vireo

Vireo olivaceus

Although not easily noticeable at first glance, the red-eyed vireo is one of the most common summer songbirds in the Chesapeake region. 

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A red-eyed vireo flashes its bright red eye and olive colored feathers as it is perched on a branch.