Fig. 2 in Glass Buildings As Bird Feeders: Urban Birds Exploit Insects Trapped By Polarized Light Pollution

Fig. 2. (A) Hovering white wagtail (Motacilla alba) catching caddis flies from a window. (B) House sparrow (Passer domesticus) capturing caddis flies from a vertical glass surface. (C) Great tit (Parus major) standing on a window's edge and catching caddis flies. (D) European magpie (Pica pica) on