Echolocation is a biological sonar used by certain animals to navigate and locate objects in their environment. It involves emitting sound waves that bounce off nearby objects and return to the animal. By analyzing the returning echoes, animals can determine the distance, size, and shape of objects around them. This ability is commonly found in species such as bats, dolphins, and some birds. In bats, echolocation is crucial for hunting insects in the dark. They produce high-frequency sounds that are inaudible to humans. Similarly, dolphins use echolocation to find fish and navigate through murky waters. This remarkable adaptation allows these animals to thrive in their respective habitats.