Figure 1 from: Koch A (2018) Discovery of a rare hybrid specimen known as Maria's bird of paradise at the Staatliches Naturhistorisches Museum in Braunschweig. Zoosystematics and Evolution 94(2): 315-324. https://doi.org/10.3897/zse.94.25139

Figure 1 Plate of the male hybrid bird of paradise Paradisaea maria from Reichenow (1897). Reproduced from the Biodiversity heritage library (http://biodiversitylibrary.com/).