dolphins

... clicks emitted by Mediterranean bottlenose dolphins in both audio and ultrasonic bands We found that most of the sonar clicks emitted when the dolphin is in front of the hydrophone can be modeled by ... transmission of ultrasonic pulses and the reception of the return echoes The words sonar clicks, echolocation clicks, and biosonar are used to describe the activity of guideline, of navigation, and of ... the analysis of recorded echolocation pulses and features extraction The extracted information can be used by biologists to understand the ability of dolphins to perceive their environment and...

... Eye Wonder www.dk.com Plunge into the ocean and meet these mysterious sea creatures • From blue whales and belugas to diving dolphins, travel through the ... discover a breathtaking underwater kingdom • Packed with facts, accessible text, and dramatic, atmospheric photography, Eye Wonders are the perfect educational start for young children • Jacket images ... Nachoum (l & r) Eye Wonder Consultant Kim Dennis-Bryan PhD, a fellow of the Zoological Society of London, worked for many years at the Natural History Museum She now lectures on evolution and mammal...

... Dolphins one of big animals on earth carnivores Range and habitat all oceans worldwide prefer coastal waters and bays Size Smallest dolphins • About 50 kg • 1.2 m long Largest dolphins ... entrapment How to protect dolphins • Protect the feeding and breeding areas • Dispose of garbage and chemicals properly as they can end up in the oceans and get ingested by wild dolphins • A great way...