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Friday, March 15, 2013

How do Animals see the world

Pit viper Bat

Pit viper

Special Organ :

Heat sensing pit
heat-sensing pit located between the eye and the nostril on either side of the head.

How it works :

The pit vipers detects infrared radiation falling onto the heat-sensing pit which allows the snake to determine its direction and can strike accurately at moving objects less than 0.2°C warmer than the background which helps predator that hunts at night.
Example : Infrared camera image




Special Organ :

Biosonar is the biological sonar.

How it works :

Echolocating, animals emit ultrasound to the environment and listen to the echoes of those calls that return from various objects near them and identify the object.
How bat send and receives sound waves

How Biosonar Works