Carolinian Reed Warbler (Acrocephalus syrinx) [XC75439]
by Todd Mark from Enipein, Pohnpei, Federated States of Micronesia, Micronesia (call)
Carolinian Reed Warbler (Acrocephalus syrinx) [XC244493]
by JVMoore from Japanese Gun, Weno, Moen, Chuuk, Micronesia (song)
Subspecies
No subspecies.
Has been treated as conspecific with Guam Reed-Warbler (Acrocephalus luscinius), but smaller size, much shorter bill, and different song and ecology justify treatment as separate species.