TIMMERMAN A (1959) Short contributions: Observation of a Squacco Heron Ardea ralloides in a colony of Purple Heron Ardea purpurea. LIMOSA 32 (3): 168-168.

Squacco Heron Ardeola ralloides Purple Heron Ardea purpurea Observation of a Squacco Heron Ardea ralloides in a colony of Purple Heron Ardea purpurea Weerribben Overijssel

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