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Keywords from Image Description:
Distribution Circus approximans. Australasian Swamp Harrier Circus approximans Green breeding areas blue offbreeding distribution Based on James FergusonLees David Christie Greifvgel der Welt FranckKosmos Verlag Stuttgart ISBN Sumpfweihe Circus approximans Grn Brutgebiete blau Verbreitung auerhalb der Brutzeit Basierend auf James