Keywords: Dalmatian regulus gould.jpg en Phylloscopus proregulus cropped from Gould's llustration of Dalmatian Regulus 2016-09-15 11 04 28 cite book Gould John John Gould Birds of Europe self-published 2 1837 London https //archive org/stream/birdsEuropeIIGoul page/149/mode/2up/search/regulus 149 John Gould other versions PD-US PD-old-100 Phylloscopus proregulus |