It was recognizable to me at once because I am familiar with the Eurasian Magpie. It looks very much like them. And others felt the same for a long time! Just read this on the American Magpie Wikipedia:
It was once thought to be a subspecies of the Eurasian magpie (Pica pica), but was placed into its own species in 2000 based on genetic studies.
They’re common in some areas, like around me in Denver, but they’re one of my favorites! https://www.allaboutbirds.org/guide/Black-billed_Magpie
And look well-nigh identical to the UK Magpie - though the Latin name is different.
A young one from yesterday for contrast:
It was recognizable to me at once because I am familiar with the Eurasian Magpie. It looks very much like them. And others felt the same for a long time! Just read this on the American Magpie Wikipedia:
TY