Study of variability of beak in Reed Bunting (Emberiza schoeniclus L.) using superimposition of contours (Aves: Emberizidae)
G.B. Bakhtadze
Abstract. Emberiza schoeniclus ukrainae (Zarudny, 1917), E. s. tschusii Reiser & Almasy, 1898 and E. s. volgae Stresemann, 1919 can be distinguished using superimposition of contours of the beak.
Zoosystematica Rossica, 2007, 16(1): 141-143 ▪ Published in print 15 June 2007
https://doi.org/10.31610/zsr/2007.16.1.141 ▪ Open full article 
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