It almost sounds like the name of some third-rate animation studio character. This yellow-rumped warbler, which is in a position to prove that once again ornithologists were naming birds with colors that just weren’t where they claimed, senses there’s reason to be cautious as it scans the nearby sky.

April 18, 2020. Cropped from a larger image. Nikon D7100 (DX sensor), Tamron 100–400mm lens at 400mm (35mm equivalent: 600mm), f/6.7, 1/1,500, ISO 400.