ECHOLOCATION - ENVIRONMENT

News: Echolocation: What goes around comes around

 

What's in the news?

       Based on what the reflected waves, or echoes, sound like, the animal or device understands its environment.

 

Echolocation:

       Echolocation, also called bio sonar, is a biological sonar used by several animal species.

       Echolocating animals emit calls out to the environment and listen to the echoes of those calls that return from various objects near them.

 

Features:

       This intricate technique is a primary sensory tool for animals such as bats, dolphins, and certain other species, facilitating precise object localisation through the analysis of reflected sound waves.

       They use these echoes to locate and identify the objects. Echolocation is used for navigation, foraging, and hunting in various environments

       Animals adept in echolocation emit calls into their environment and subsequently capture and interpret the returning echoes of these calls from nearby objects.

       It is widely used for underwater navigation, communications, and even as a method to find fish.

       It empowers these animals to navigate seamlessly in absolute darkness, supporting activities like hunting, discerning friends from foes, and evading obstacles.

 

Working:

1. Sound Emission:

       Animals capable of echolocation emit high-frequency sounds, often beyond the range of human hearing.

       These sounds are usually clicks, whistles, or chirps. The specific frequencies and patterns of these sounds can vary between species.

2. Sound Reflection:

       When these emitted sounds encounter objects in the environment, they bounce off those objects and create echoes.

3. Echo Reception:

       The animal's ears or specialized auditory structures are highly sensitive to detecting the echoes.

       They can interpret the timing, intensity, and frequency of the echoes to determine the distance, size, shape, texture, and even movement of objects around them.

4. Processing:

       The brain processes the information from the echoes to build a mental map of the surroundings.

       Animals can use this information to navigate, locate prey, avoid obstacles, and communicate with other members of their species.