Nigel Marven offering an apple to an Arsinoitherium. (Into the Jaws of Death)
An apple is a type of fruit. Nigel Marven offered an apple to an Arsinoitherium in the Eocene mangrove swamps.
In Sea Monsters
Into the Jaws of Death
After finding an Arsinoitherium, Nigel Marven pulled out an apple from his pocket and wondered if it would like something from the 21st century. He subsequently approached the creature and offered it the apple, but the Arsinoitherium charged at him.