Figure_3.tif (9.16 MB)
Measurement of bill length.
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posted on 2014-12-16, 02:48 authored by Pär Söderquist, Joanna Norrström, Johan Elmberg, Matthieu Guillemain, Gunnar GunnarssonBill length was measured (to nearest 0.01 millimeter) along the dorsal side of the maxilla using a caliper. Photograph: Pär Söderquist.