A bird in the hand is worth two in the bush, or so the saying goes. But what about a bird on your back that can help rid you of parasites and warn you of danger? That''s what oxpeckers do for rhinos. At least that''s what was believed until recent research suggested the relationship may be more complicated. This fascinating volume will captivate young readers as they discover the complex relationship between rhinos and oxpeckers. Age-appropriate text covers important science concepts while remaining entertaining. A graphic organizer and fast facts help cement newly learned information.