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The origin of Birds





PGe-tips
The origin of birds is definitely to be found under water !.
As you can notice on this movie clip Mobula Ray are a bit later but sure arte trying to learn how to fly.



nice video for those without an idea where to spent the next scuba diving holiday.
Of course if they are still alive after the disaster of the BP ...
Ankhanu
Crazy. I wonder why they're jumping? They're getting some serious air though. Given how dense ray and shark bodies are, they must be getting some serious speed to jump so high.
driftingfe3s
That sure is strange. That's an amazing site to see though. I'm also wondering why they are jumping out of of the water.
Ankhanu
After posting I started doing a literature search on why various species of Mobuliidae jump... short answer: we don't know yet Razz
PGe-tips
I think they just do it for fun ... like we scuba-dive, jump out of planes with a parachute, slide down a hill covered with snow ... It's like dolphins that jump out.
And on this movie they are with amazingly high numbers ...
Ankhanu
That is actually an explanation that I came across while looking through journal articles.
Other hypotheses include:
.: To dislodge parasites or ramoras
.: Feeding bahaviour to concentrate prey
.: Lack of recognition of the air/water interface
and a few others that I can't recall at the moment.

Definitely more research is needed... but it's a pretty tough thing to research. It may be a while Wink
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