Assertion: masked booby | /r/HasProperty | friesen et al
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text: This species breeds on islands in tropical oceans, especially on the Galapagos islands, except in the eastern Atlantic; in the eastern Pacific it is replaced by the Nazca Booby, Sula granti, which was formerly regarded as a subspecies of Masked Booby (Pitman and Jehl 1998, Friesen et al. 2002).