Answer:
My parents are singers, and while my father has red hair I am pale and completely bald.
Some are clean and some are dirty, but all are meant to get a chuckle. Most like it, some takes offense from it.
How do you know if a tiger is male or female?
What do geese, waterfowl and ducks have for breakfast?
It can make rain, but take away one leg and it'll give you pain.
A blackbird similar to, but much bigger than a crow