Keywords: OestrelataDefilippianaKeulemans.jpg Oestrelata defilippiana Pterodroma defilippiana http //www archive org/stream/ornithologicalmi01rowl page/n353/mode/1up Ornithological Miscellany Volume 1 1875-76 creator John Gerrard Keulemans PD-old-100 Pterodroma defilippiana |