histsciart: Happy #ArborDay! Can you spot the Grey Herons (Ardea cinerea) in this #SciArt by J.G. Ke
histsciart: Happy #ArborDay! Can you spot the Grey Herons (Ardea cinerea) in this #SciArt by J.G. Keulemans. From BHL http://ow.ly/GVf630bg4kA -- source link
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