rspb20190761_si_006.pdf (14.3 kB)
Figure S5 from Character displacement of a learned behaviour and its implications for ecological speciation
journal contribution
posted on 2019-07-17, 07:12 authored by Cody K. Porter, Craig W. BenkmanRepresentative contact call spectrograms of red crossbill ecotype pairs that are primarily allopatric with each other (given the regular, long distance movements by most crossbills, most pairs of ecotypes occasionally occur in sympatry). The average cross-correlation value between each pair of ecotypes is listed below the representative spectrograms.