In the Moreno Valley (Calif.) Recycler: "Homing pigeons free to good home. Must live far, far away."
My brother adopted a snake named Slinky, whose most disagreeable trait was eating live mice. Once I was pressed into going to the pet store to buy Slinky's dinner.
The worst part of this wasn't choosing the juiciest-looking creatures or turning down the clerk who wanted to sell me vitamins to ensure their longevity. The hardest part was carrying the poor things out in a box bearing the words "Thank you for giving me a home."