Fig. 1: Differences in skin colour of (a) Morus bassanus (black) and (b) Garrulus glandarius (red) are due to differences in melanin concentration as seen under light microscopy for (c, e) M. bassanus and (d, f) for G. glandarius. | Nature Communications

Fig. 1: Differences in skin colour of (a) Morus bassanus (black) and (b) Garrulus glandarius (red) are due to differences in melanin concentration as seen under light microscopy for (c, e) M. bassanus and (d, f) for G. glandarius.

From: Exposure to UV radiance predicts repeated evolution of concealed black skin in birds

Fig. 1

Scale bars represent 50 μm (c, d), 30 µm (e, f) and 1 µm (g). e stands for epidermis, m for melanin. While melanin is present in both tissues, concentrations appear much higher in black skin. g Detail of a melanophore containing individual melanosomes (few examples indicated by an m) from M. bassanus (scale bar 1 µm).

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