Amuse: The Hen’s tale

First she walks for a while and then turns to stare…
She cackles, laughing at the appearance of these slim aliens
Wandering about, aimlessly, pushing all manner of carts 
And wearing all manner of fleshy things that smell awful
One thing is peculiar: these humans change their skins each day,
And it is unclear why a green skin will change to purple the next day
Although some will keep their skin for weeks, but those who did
Maybe are related to the green snake which lives by the pond 
Now I look at you petty human
And I think you are ridiculous
Walking shabbily on two legs,
Having no feather or plumage,
Having no wings or beak
But a big round balloon as head
And a goofy rude look as face!