Figure 5
From: Identifying volatile organic compounds used for olfactory navigation by homing pigeons

Spatial distributions of measured (−)α-pinene (a) and nopinone (b) from airborne sampling during three flights conducted on 26/05/2018 and 27/05/2018. Colored scales indicate respectively volume mixing ratio and counts of chromatograms peak area. Figures drawn with Igor WaveMetrics.