Well, Earlier Birders, I suppose - I've been reading a who-dunnit that has a fake birder as central character. Says that jizz is derived from RAF slang for General Identification Size and Shape being the term describing how to identify aircraft. Often first and only impression from tiny glimpse and experience will match it to at least a broad category. Been there - both with aircraft and birds. Tricky!
Sue, tks for predictions. Pinko not having fun with the rest of us! Nethers recovering. Enjoy the Olympics!
Christophe - thanks for photos - I will write to you when this weather passes.
Which it will.