Here are some randomly selected joke topics
Pigs
Pigs might fly but this one drives
Cows
What do you call a cow that likes to eat long grass?
A lawn moo-er.
Fast
Don't Honk - I'm Pedaling as Fast as I Can.
Birds
What kind of birds are usually locked up?
Jail-birds.
Dogs
Veterinarian: Has your dog ever had fleas?
Little Boy: No, just puppies!
Dracula
How can you tell when Count Dracula has caught the flu?
He'll be coffin.
Steak
Why was the butcher so worried?
His job was at steak.
King Arthur
Which of King Arthur's knights loved to eat steak?
Sir Loin.
Cows
How does a cow solve math problems?
With a cowculator.