Young Galapagos sea lion bulls (Zalophus wollebaeki) mock-fighting in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

galapagos bulls mock fighting playful sandy shores ecuador wildlife nature marine mammals zalophus wollebaeki social behavior animal interactions youth conservation heritage site unesco south america islands ocean coastal habitat animal behavior playful combat competition marine life natural habitat beach fauna environment ecosystems earth biodiversity species oceanic islands ecological balance conservation efforts playful rivalry young animals natural behaviors wildlife encounter unique species aquatic mammals coastal ecosystems native species endangered species marine environment young