earthplatform.com

Results 1 - 10 from 48 for dolphin sonar in 0.510 sec.

The Dolphin Institute - Whale Research
Role of Size We developed a new, innovative technique for measuring the sizes of whales underwater ... a snorkeler to obtain lateral or dorsal full-body views of a whale, and a hand-held sonar device to measure the distance from camera to whale. The camera lens is set at a ...
www.dolphin-institute.org

The Dolphin Institute - Resource Guide
Hearing is remarkably acute throughout a broad range of frequencies, and the dolphin is capable of distinguishing small differences in the frequency (pitch) of sounds. One of the ... sounds is vital for the dolphins echolocation sense, sometimes called its active sonar system, because it allow the dolphin to detect very small objects. Series of very short duration, high-intensity, ...
www.dolphin-institute.org More from this site

SoundNet - Dolphin Communications - A personal experience with a Harbour Porpoise
Harbour Porpoise We tuned into a series of postings on the BioAcoustics Discussion Group about dolphin language or communications systems. In the midst of very serious scientific exchanges we found a pearl ... out whether the dolphins recognized the infants after having 'seen' them in the womb with their sonar. My instructor felt very certain that this harbor porpoise 'saw' that I was pregnant and ...
www.oceania.org.au

Dolphin Synergy: THE DANCE OF THE DOLPHINS
D sonic picture including, ... 's primary sense, even though they have excellent eyesight, is their `sonar' or `echolocation'. The familiar Dolphin sounds of clicks & whistles is only the small audible portion of a much vaster wave ...
www.dolphin-synergy.com

Dolphin - Defenders of Wildlife
Threats Marine pollution, habitat degradation, harvesting, low frequency sonar, entanglement in fishing gear, boat traffic. Legal Status/Protection CITES* (All species of dolphin are protected under CITES: Appendix I: snubfin dolphin, Amazonian River dolphin, Indo-pacific humpbacked dolphin and the Atlantic humpbacked dolphin; ...
defenders.org

Dolphin Care UK - Dolphinarium and Captivity
Most dolphins are confined in tanks containing chemically treated artificial seawater. In nature.Dolphins use their sonar to check out various fish, predators, their vast ocean world, and other dolphins. Dolphins are ... : their speed, their intelligence, their use of sonar, and ability to communicate and cooperate. In captivity.The first two things a newly captured dolphin has to learn is to: 1. Eat ...
dolphincareuk.org

French veterinarian with experience in stranded marine mammals and assigned to the project of rehabilitating dolphin Stephania, arrives from Paris, accompanied by his assistant, Olivier Van Canneyt. They examine Stephania, take ... almost every aspect of their daily lives.' Captive dolphins are severely restricted in using their sonar. They can't use it to catch live fish, as they are fed dead fish ...
dolphinproject.org

Dolphin Care UK -
Dolphin Care UK - Letters page - Correspondence to the EU and Mp's Skip to content Home About Us Contact Details Associates Sites Get active How you can help Campaign Field project ... of dead dolphins and the numerous concerns triggered by such events. Regarding the rules for dolphin protection, all cetacean species are granted strict protection under Community legislation. Council Directive 92/43/ ...
dolphincareuk.org

Marine Connection - Sonar
Military Sonar & Underwater Noise Marine litter, plastics & balloon releases DONATE NOW TO PROTECT THEM ADOPT A DOLPHIN GET INVOLVED - CHALLENGES & EVENTS UK DOLPHIN & WHALE WATCHING TRIPS Registered UK charity No: 1062222 Patrons: David Essex, ...
marineconnection.org

Dolphin - Aquattic Mammal - The Dolphin
Dolphin Dolphins have an organ that they use to locate things by echo, a sort of sonar device built into them called a melon. They have ... involved work for governments and individuals and have carried out complex tasks with little or no difficulty. Dolphin Dolphins in the wild live in groups which are called schools or pods. These pods contain up ...
itsnature.org