So you can tell them from flamingos !
2...and don't ask me how they got in there. (My 87 year old grandma just told me this one)
Only one but he has to have a nurse to tell him which end to screw in.
Because they always blow their trunks off!
A marriage certificate.
If it didn't stand on any, it would fall over.
Because if they didn't they'd fall over.