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Hammerhead Highway - Region 2 National Geographic DVD

Hammerhead Highway - Region 2 National Geographic DVD
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Price: £5.99
Availability: In Stock
Model: Region-free DVD
Manufacturer: National Geographic
Average Rating: Not Rated

"Hammerheads are able to detect even the tiniest electric currents through the receptors in their hammer, which also gives them superior eyesight and the ability to detect chemical gradients in the water, making them one of the most successful predators in the sea"

Sharks have thrived in the oceans for thousands of years, and one of them is in a form unlike ever seen before, one of nature's most mysterious creatures.... the Hammerhead Shark.

They school in huge numbers, yet scientists know very little about their migration and their social behaviours. The high value of shark fins has resulted in a big drop in Hammerhead numbers.
Why did this bizarre looking creature evolve and how has it survived? Does it really finds its way by following the magnetic field of the earth itself?

To gather data, scientists tag some sharks with electronic tracking devices. The evidence suggests that Hammerheads seek out distant destinations but is there a method to their travels?
Threatened by declining populations the 'Hammerhead Highway' may be the key to their survival.

Narrated by Rodd Houston.
Produced for National Geographic Television (2008).

ITEM SPECIFICATION

Region:             Region 0 (region-free)

Video format:     PAL

Sound:              Dolby Digital (2.0) Stereo

Language:         English

Subtitles:          None

Screen size:      Widescreen

Duration:           50 mins approx + extras: previews of 3 other Nat Geo DVDs

 

COMPATIBILITY

This DVD is produced in PAL video format (UK/Europe/Australia/New Zealand/etc). Buyers in the USA, Canada, Japan and other NTSC regions should check compatibility with their equipment before purchasing this DVD. If in doubt, please contact us.

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