You can get a Young Birder promo code from hundreds of birding, nature and Audubon web sites. If you cannot find one, any of these will work. These are for the use of kids 18 and younger:
WBUYoungBirder – Wild Birds Unlimited
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AOSYoungBirder – American Ornithological Society
AudubonYoungBirder – National Audubon Society
BirdLifeInternationalYoungBirder – Bird Life International
CLOYoungBirder – Cornell Lab of Ornithology
eBirdYoungBirder – eBird
MOUYoungBirder – Minnesota Ornithologist’s Union
NationalGeographicYoungBirder – National Geographic Society
RTPIYoungBirder – Roger Tory Peterson Institute
ScienceOlympiadYoungBirder – Science Olympiad
TNCYoungBirder – The Nature Conservancy
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VENTYoungBirder – Victor Emanuel Nature Tours
WingsYoungBirder – WINGS Bird Tours
————-BWDYoungBirder – Bird Watcher’s Digest Magazine
BirdswatchingYoungBirder – Birdwatching Magazine
BirdsBloomsYoungBirder – Birds & Blooms Magazine
BirdTalkYoungBirder – BirdTalk radio program
BirdingWireYoungBirder – Birding Wire eMagazine
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BSBOYoungBirder – Black Swamp Bird Observatory
CibolaNWRYoungBirder – Cibola National Wildlife Refuge
CorkscrewYoungBirder – Corkscrew Swamp Sanctuary
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BoyScoutsYoungBirder – Boy Scouts of America
GirlScoutsYoungBirder – Girl Scouts of America
4HYoungBirder – 4-H Clubs
YMCAYoungBirder – YMCA of the USA
YWCAYoungBirder – YWCA USA
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CaliforniaYoungBirder
NewYorkYoungBirder
OntarioYoungBirder
SouthCarolinaYoungBirder
NewfoundlandYoungBirder
PEIYoungBirder
YukonYoungBirder
NWTerritoriesYoungBirder
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Schools in each state and Province have their own codes, for example:
IowaSchoolsYoungBirder
ManitobaSchoolsYoungBirder
NorthCarolinaSchoolsYoungBirder
NewfoundlandSchoolsYoungBirder
PEISchoolsYoungBirder
YukonSchoolsYoungBirder
NWTerritoriesSchoolsYoungBirder
HomeSchoolYoungBirder
CatholicSchoolsYoungBirder
LutheranSchoolsYoungBirder
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Young Birder Codes From Local Audubon Clubs
ADMIRALTYAUDUBONYoungBirder Admiralty Audubon Society
AUDUBONWEYoungBirder Audubon of the Western Everglades
BURROUGHSYoungBirder Burroughs Audubon Society of Greater Kansas City
CENTRALSIERRAYoungBirder Central Sierra Audubon Society
CNMASYoungBirder Central New Mexico Audubon Society
COEURDALENEAUDUBONYoungBirder Coeur d’Alene Audubon Society
CONNECTICUTAUDUBONYoungBirder The Connecticut Audubon Society
CONOCOCHEGUEAUDUBONYoungBirder Conocochegue Audubon Society
COULEEAUDUBONYoungBirder Coulee Region Audubon Society
EVANSVILLEAUDUBONYoungBirder Evansville Audubon Society
FIRELANDSAUDUBONYoungBirder Firelands Audubon Society
FIVEVALLEYSAUDUBONYoungBirder Five Valleys Audubon Society
FLAGLERAUDUBONYoungBirder Flagler Audubon Society
FORTWORTHAUDUBONYoungBirder Fort Worth Audubon Society
FOURRIVERSAUDUBONYoungBirder Four Rivers Audubon Society
GOLDENGATEAUDUBONYoungBirder Golden Gate Audubon Society
GREATSALTLAKEAUDUBONYoungBirder Great Salt Lake Audubon
HERNANDOAUDUBONYoungBirder Hernando Audubon Society
HIGHCOUNTRYAUDUBONYoungBirder High Country Audubon Society
HOUSTONAUDUBONYoungBirder Houston Audubon Society
JACKSONAUDUBONYoungBirder Jackson Audubon Society
KLAMATHBASINAUDUBONYoungBirder Klamath Basin Audubon Society
LAKECOUNTYAUDUBONYoungBirder Lake County Audubon Society
LAUGHINGWHITEFISHYoungBirder Laughing Whitefish Audubon Society
LEIGHVALLEYAUDUBONYoungBirder Leigh Valley Audubon Society
MASSAUDUBONYoungBirder Mass Audubon
MECKLENBURGAUDUBONYoungBirder Mecklenburg Audubon Society
NCWAUDUBONYoungBirder North Central Washington Audubon Society
NEWJERSEYAUDUBONYoungBirder New Jersey Audubon
NORTHCASCADESAUDUBONYoungBirder North Cascades Audubon Society
NYCAUDUBONYoungBirder New York City Audubon Society
OAKLANDAUDUBONYoungBirder Oakland Audubon Society (Michigan)
OHLONEAUDUBONYoungBirder Ohlone Audubon Society
OKATIBBEECREEKAUDUBONYoungBirder Okatibbee Creek Audubon Society
PALOMARYoungBirder Palomar Audubon Society
PALOUSEAUDUBONYoungBirder Palouse Audubon Society
PASADENAAUDUBONYoungBirder Pasadena Audubon Society
PEACERIVERAUDUBONYoungBirder Peace River Audubon Society
PETOSKEYAUDUBONYoungBirder Petoskey Regional Audubon Society
PLUMASAUDUBONYoungBirder Plumas Audubon Society
POMONAVALLEYAUDUBONYoungBirder Pomona Valley Audubon Society
PRAIRIEANDTIMBERSYoungBirder Prairie and Timbers Audubon Society
PRAIRIERAPIDSAUDUBONYoungBirder Prairie Rapids Audubon Society
PRESCOTTYoungBirder Prescott Audubon Society
PUTNAMHIGHLANDSAUDUBONYoungBirder Putnam Highlands Audubon Society
QUADCITYAUDUBONYoungBirder Quad City Audubon Society
ROGUEVALLEYAUDUBONYoungBirder Rogue Valley Audubon Society
SAINTPAULAUDUBONYoungBirder St. Paul Audubon Society
SALEMAUDUBONYoungBirder Salem Audubon Society
SANDIEGOAUDUBONYoungBirder San Diego Audubon Society
SASSAFRASAUDUBONYoungBirder Sassafras Audubon Society
SAWMILLRIVERAUDUBONYoungBirder Saw Mill River Audubon Society
SEATTLEAUDUBONYoungBirder Seattle Audubon Society
SEQUOIAAUDUBONYoungBirder Sequoia Audubon Society
SEVASYOUNGBIRDERYoungBirder Southeast Volusia Audubon Society
SKAGITAUDUBONYoungBirder Skagit Audubon Society
SOMDAUDUBONYoungBirder Southern Maryland Audubon Society
STJOHNSAUDUBONYoungBirder St. Johns County Audubon Society
STOCKBRIDGEAUDUBONYoungBirder Stockbridge Audubon Society
TAMPAAUDUBONYoungBirder Tampa Audubon Society
TUCSONAUDUBONYoungBirder Tucson Audubon Society
VABEACHAUDUBONYoungBirder Virginia Beach Audubon Society
VASHONAUDUBONYoungBirder Vashon-Maury Island Audubon Society
VENTURAAUDUBONYoungBirder Ventura Audubon Society
WILDCATAUDUBONYoungBirder Wildcat Audubon Society
WILLAPAHILLSAUDUBONYoungBirder Willapa Hills Audubon Society
YELLOWSTONEVALLEYYoungBirder Yellowstone Valley Audubon Society
YOLOAUDUBONYoungBirder Yolo Audubon Society