"If an owl would enter the nuthatch's nest
Its figure would have to be much compressed.
If the nuthatch had but the face of an owl
It would be a most unpopular fowl."
A slightly different formula is to be noted in the lines on the snipe, but the spirit is substantially the same:—
"If a snipe were the size of a threepenny bit
It would be a great deal harder to hit.
But if it grew to the size of an emu
It wouldn't be better to eat than seamew."
Lastly I may quote the only couplet in which beasts as well as birds are subjected to this searching analysis. I think you will admit that it is the most sagacious and impressive of them all:—