It’s easy to tell adults birds from young’uns this time of year, even though they’re the same size. The fledgelings are sleek and shiny, still carrying a bit of that baby pudge. The adults look worn to a thread, in poor plumage (who has time to fuss over their own looks?), starting to molt and looking in general like they need a long vacation, not a long migration. Take this Black-capped Chickadee:
I remember those times, BCC. The kids trying to pack all the fun they can into the waning summer, while we parents are counting down the days til school starts. Hang in there! Here, have some suet to tide you over.