Studies, Habitats, Environmental aspects, Observations, Marine mammals, Whaling, Predation, Animal populations, El Niño, Foraging behavior, Whales & whaling, Females, Whales, Prey, Dynamic tests, Breeding, Males, Sperm, Movements, Foraging habitats, Coastal water, Coastal waters, Calves, chasse à la baleine, sperm whale, émigration, Physeter macrocephalus, g...