Figure 1 in Distribution, behaviour, and provenance of Oriental Dollarbirds Eurystomus orientalis in Micronesia, including the first two records from the Mariana Islands

Figure 1. Plumage differences among four Oriental Dollarbirds Eurystomus orientalis pacificus of different ages photographed in Micronesia: (a) adult, Airai, Palau, 28 August 2019 (Glenn McKinlay), (b) juvenile, Ngeremlengui, Palau, 24–25 May 2008 (Alan Olsen, Palau National Museum), (c) older juvenile, Ngerekebesang Island, Palau, 7 June 2011 (Alan Olsen, Palau National Museum), (d) subadult, Aimeliik or Airai, Palau, 21 August 2008 (Alan Olsen, Palau National Museum). The subadult shows an all-red bill while retaining juvenile plumage.