Species similar to Gray-headed Swamphen

Australasian Swamphen

Porphyrio melanotus

Purple Gallinule

Porphyrio martinica

Western Swamphen

Porphyrio porphyrio

South Island Takahē

Porphyrio hochstetteri

African Swamphen

Porphyrio madagascariensis

Allen's Gallinule

Porphyrio alleni

Azure Gallinule

Porphyrio flavirostris

Black-backed Swamphen

Porphyrio indicus

Philippine Swamphen

Porphyrio pulverulentus

North Island Takahē

Porphyrio mantelli

Réunion Swamphen

Porphyrio caerulescens

Huahine Swamphen

Porphyrio mcnabi