Rebuffed Rodent's Lessons

His offer of friendship and close affinity derided, Insultingly disowned as a kin by the bat, the rat said: "Snobbish acrobat, you're so rude, unschooled in civility; With nocturnal queers like you I hate to have affinity; Stinking, skin-winged flapper of the night, your boasts are many; But look at you, swinging feet up, head down, stupidly funny; One day, like an umbrella needing repair, you'll flip-flop down; And be with us you so despise whose paws touch the earthy ground !" Indeed, one must always be tentative in choosing a relative; For not all critters of the same fur huddle together, Sir !