Yellow Bird

A yellow bird
with a yellow bill
Was sittin' on
my window sill
I lured him in
with a piece of bread
And then I smashed
his little head
The doctor came
to check his head
"Indeed" he said
"this bird is dead"
The moral of
this story, you see
If you're a bird
Don't mess with me!

Source: Grunt's Military Cadences