It started when they got to the bears. Peter felt tired and his stomach hurt. He dragged himself over to see the elephants, which were eating from a stack of hay. Normally, the elephants were his favorite. Without much interest, Peter followed his classmates to the camels, which were busy swatting flies with their tails. Peter knew he should be having fun at the zoo, but he just felt terrible and all he wanted to do was lie down and rest. Even the lions and tigers did not interest him now. The Summary of this passage is: