Friendships among male bottlenose dolphins can last a lifetime. | National Geographic

Bottlenose dolphins hear extremely broad frequency ranges and use echolocation to communicate and hunt for prey over wide distances. Their range varies from shallow, nearshore areas to deep, offshore areas, making it easy for these dolphins to encounter many different types of vessels. These vessels can disrupt their communication and hunting patterns and cause displacement. Within the waters of Maui Nui, the highest risk of collision for bottlenose dolphins is with commercial transportation tra