Snow buntings are quarrelsome birds like many species that go around in flocks. Here they are scrapping over food put out for them in the car park at the Cairngorms ski lifts.
Snow bunting, Plectrophenax nivalis, two birds fighting in snow, Scotland, March 2020. Olympus M1x. 300mm f4. 1/4000th at f4. 400 iso.