Birding and Environmental Links

National:
National Audubon Society
AUDUBON Magazine

Local:
Maryland/DC Audubon
Chesapeake Audubon Society
Southern Maryland Audubon Society
Audubon Society of the District of Columbia
 

American Bird Conservancy
American Birding Association
American Ornithologists' Union
National Bird Feeding Society
North American Bluebird Society
Ornithological Council (BIRDNET)
Raptor Research Foundation
 

Bird groups:
Audubon Naturalist Society
Friends of Patuxent Wildlife Research Center
Maryland Ornithological Society
Northern Virginia Bird Club
Virginia Society of Ornithology

Maryland birding listserv:
MD Osprey

Other environmental groups:
Anacostia Watershed Society
Bowie-Upper Marlboro Beekeepers Association
Chesapeake Bay Foundation
Citizens to Conserve and Restore Indian Creek
Natural History Society of Maryland
Nature Conservancy: Maryland/DC Chapter
Prince George's Herb Society
Sierra Club - Maryland Chapter
Washington Area Butterfly Club

PG County information:
Prince Georgians Care
 

General:
A2Z4 Birders Online Guide
Birding.com
BirdSource
Birdwatching Dot Com
Cornell Laboratory of Ornithology
eNature.com: Birding Focus
Fat Birder
The Nutty Birdwatcher - Eastern US Birds
Surfbirds
VIREO - Visual Resources for Ornithology
Virtual Birder
Wildlife Authority

Optics:
Better View Desired
Birdwatching.com - Birding Optics
NJ Audubon: Optics for Everyone
 

General:
Birds Forever
Cornell Lab Birding Shop
eNature.com
Surfbirds
Wild Birds Unlimited
Wildlife Authority

Optics:
Binoculars, Etc.
Binocular Warehouse
Eagle Optics
Optics 4 Birding
 

Local:
MD-National Capital Park & Planning

State and regional:
Chesapeake Bay Program
MD Department of Natural Resources
Maryland Natural Heritage Program
Maryland Environmental Trust

Federal:
BirdCast -- Migration Montoring
National Fish and Wildlife Service
National Park Service
National Wildlife Refuge System
Partners in Flight
Smithsonian Migratory Bird Center