The Dinosaur Feather Mystery Part.2

The second part of one of my favourite documentaries.

This one shows scientists studying the flightstroke and comparing it to predatory dinosaur's arm movements.

Following "episodes" concentrate on the evolution of feathers and flight.

disclaimer: I do not own the rights to this film which belong to the Discovery network and it's respected authors.

Epidexipteryx hui, the feathered fossil dinosaur older than Archaeopteryx! http://blogs.discovermagazine.com/loom/2008/10/22/shake-your-jurassic-tail-fe...

Category:

Comedy

Tags:

• dinosaur
• bird
• feather
• evolution
• discovery
• flightstroke

[S0XF0X]

Correction at 3:40-"Apatosaurus" is not also known as "Brachiosaurus", but "Brontosaurus". Just thought I'd clear that up.

[pienipaha]

@S0XF0X

Yeah that's been mentioned before in the comments. Thanks anyway (the original comment is one of the oldest ones). I forgot to add the note on the description.

[ofelixdacat]

I can't believe some extremely religious people refuse to believe in the existence of Dinosaurs, especially when fossil evidence proves there existence.

[AngryFaces]

Even though I really enjoyed this program you uploaded, there is one thing that really bothers me. This show seems to imply that raptors were a 1st stage in bird evolution and that Archaeopteryx was a 2nd stage. Problem is that dromeosaurs existed in the Cretaceous period and Archaeopteryx existed in the preceding Jurassic period. From what I've researched, raptors would actually be flightless descendants of protobirds, therefore are cousins of birds and are not direct ancestors to them.

[thoostorm4]

@ofelixdacat somerefuse to admit they existedit might change their viewson religion so to them it is easier to say they never existed

[shishkabobby]

@ORCA4312 Lots of birds are found in flocks. How is a flock different than a pack? If you look at a flock of sea gulls on a beach, I'm pretty sure they are hunting, at least it looks that way to the fish and crustaceans near the beach.

[pinball281]

lol creationist do not refuse dinosaurs and some are very big in dinosaurs.Check out Kent Hovind and what he has to say about the young earth creation and genesis and dinosaurs

[111E982a]

@ORCA4312 And since birds didn't come from raptors directly, but came from the same ancestor, it's hardly surprizing that they don't hunt in packs. early dinosaurian birds still have that big talon(relative in size) which is useful in climbing trees too and Seriemas have that claw too. 

[111E982a]

@ORCA4312 raptor actually means thief. the term raptors for dinosaur only became "in" after jurassic park, it's just a short form of velociraptor. But birds are a sister taxon of "raptors" and that's in a very broad sense, "right". and some dinosaur have raptor in their name cos of their avian features. Some raptors do live in group, a set of footprints was found in Shandong to prove that.

[ORCA4312]

@111E982a Raptors were named after the birds. Now some are trying to make that sound meaningful.

There is a lot of poorly based claims on the evolution and behaviour of raptors. Claims that they hunted in packs. Well, perhaps, but what birds do that? What birds have the big killing talon?

[111E982a]

@Duplooytim some creationist and dinosaur deniers, yes, there are people who deny dinosaurs exists and i have met a few of them. And the OP actually said SOME religious people, not all, please read it properly first before making a fool out of yourself. And you can't believe that dinosaurs existed because it's a fact that they existed and if you don't take genesis literally, there's no need to believe in jesus.

[111E982a]

@AngryFaces i guess since that birds are maniraptors and came from raptor looking like ancestors, that's why they name it raptor..I think it's just for the common audience that's why they say it this way.

[Duplooytim]

@ofelixdacat Who are you refering to as extremely religious people!!??!

I believe dinosaurs exist and I believe Jesus lived 2000 years ago and died for my sins???

The word dinosaur was invented in 1842... Before that they were known as dragons.... Bible has dozen of mentions of dragons and so does loads of ancient beliefs, communities and cultures

Who ever told you religious people dont believe in dinosaurs??? thats a pure lie!