Old series of jokes. Favorite of USn school boys.

How do you get a giraffe in a refrigerator?

How do you get an elephant in a refrigerator?

The Lion called a conference of the animals. Everybody came except the Elephant. Why didn't the Elephant come?

A group of Great White Hunters came upon a crocodile infested river. The bridge was out and the nearest bridge was 100 miles away. They desperately needed to get across the river today. How did they do it?