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Dolphins

Dolphins

mammals of the families delphinidae (ocean dolphins), iniidae, lipotidae, pontoporiidae, and platanistidae (all river dolphins). The common Name dolphin is applied to small cetaceans having a beaklike snout and a slender, streamlined body, whereas porpoises are small cetaceans with a blunt snout and rather stocky body. Dolphins are the most agile of the cetaceans and some of the speediest. They have remarkable group precision and regularity of movement. 

 dolphins swim at a speed of 3-7 miles per hour, but have been recorded at 25 mph

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Re: vision in water and air.

Seals and dolphins, cormorants and iguanas, etc. I'm not arguing with you. I mean to point out that i know of no reason two solutions as different as water and air should be transparent in the same spectrum. It's a heck of a coincidence. ...

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by mattw
Sat Oct 01, 2011 11:32 pm
 
Forum: Evolution
Topic: vision in water and air.
Replies: 5
Views: 123

Books on animal behaviour and culture

Hi all. I'm currently doing an extended project essay on culture in animals, so basically things animals learn from each other, and looking at how dolphins have developed different hunting strategies as well as other examples. I'm looking for any books which could help me with this? So has any ...

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by Bill19
Wed Jul 20, 2011 10:54 am
 
Forum: Zoology Discussion
Topic: Books on animal behaviour and culture
Replies: 1
Views: 259

What are your country's endemic animals?

... eagle owl! It is just gorgeous!!! Here is NZ we have a lot of unique birds as we dont have any native mammals apart from oceanic creatures (seals, dolphins etc.) and the birds were able to fill all the niches that would otherwise have been filled by mammals. Sadly they too, are threatened by extinction... ...

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by illuminada
Sat Jun 18, 2011 5:28 am
 
Forum: Zoology Discussion
Topic: What are your country's endemic animals?
Replies: 7
Views: 19277

Re: Theories - Origin of Life

... wings , the low drag design of the boxfish that the concept car imitates, the shock-absorbing properties of the abalone shells , or the s onar in dolphins etc etc. So many good ideas have come from nature that researchers have established a database that already catalogs thousands of different ...

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by scottie
Fri Apr 22, 2011 6:10 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 273
Views: 30161

whales

I think dolphins are the best animals in all the world, they are so cute and I love to smim with them

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by JerysCo
Wed Oct 13, 2010 3:37 pm
 
Forum: Zoology Discussion
Topic: whales
Replies: 23
Views: 4707
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