Humpback Whale (Megaptera novaeangliae): Humpback whales migrate up to 5,000 miles annually from polar feeding grounds to tropical breeding areas. In summer, they feast on krill and small fish in cold, nutrient-rich waters, building fat reserves. In winter, they travel to warm, shallow waters like Hawaii or the Caribbean to mate and give birth, where calves gain strength before the return journey. They navigate using Earth's magnetic field, ocean currents, and possibly vocalizations. Males sing complex songs that may play a role in mating. Despite past whaling threats, populations have rebounded due to conservation. Their migration is vital for ocean health and a powerful symbol of marine resilience.
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