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Old Bird 21c

Microphone for monitoring avian nocturnal flight calls

2020 version

Available March '23 ($395 USD + $30 shipping)


            "21c lite" (new)

Available ($210 USD + $30 shipping)


"21c lite" nfc mic kit

Available ($125 USD + $15 shipping)


ALSO available


Contact Bill at ear2sky at oldbird dot org to make purchase and shipping arrangements.

Payment can be made by personal check, money order, or using a card thru PayPal.