
It would seem a bird walked on the concrete while it was still wet. Wouldn’t the concrete also have stuck to the bird’s feet, hampering it?
Sure, thins is if that concrete is “wet” enough for a bird to leave those prints, it will easily wash off. Birds thump around in mud and much all the time, the bird will wash it off.

Sure, recently mixed concrete is basically just wet powder with sand and gravel. The powder will absolutely stick. Hypothetically, if the bird then flies around long enough for it to dry, the bird will probably get itchy feet, but the concrete will dry and flake away fairly quickly.
Not enough to cause any problems. Even if it’s on their feet long enough to dry, it’ll be a thin skin of the more liquid components of concrete. Think slightly harder dried mud. It’ll just crack and flake off or rinse off in the rain.
No hampering.
Think how light a bird is, maybe 20 gram. It does not sink deep into it. Concrete is astonishingly heavy, so, even when still wet it carries a lot.
That’sa small ass-bird
OMG you just found a smaller version of the Giant Penguin Hoax
Probably, yes?




