This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The birds of Celebes and the neighbouring islands XXXVIII. br Ptilopus melanocephalus Ptilinopus melanospilus Blacknaped Fruit Dove br Ptilopus chrysorrhous Ptilinopus melanospilus chrysorrhous Subspecies of Blacknaped Fruit Dove br Ptilopus xanthorrhous Ptilinopus melanospilus xanthorrhous Subspecies of Blacknaped Fruit