Raptor idea

It might be for identification of members amongst the pack, which relates to your idea that they each have individual names. We already know that the (presumably) alpha is named Blue, so I don't see why the others wouldn't have names too.

Wait, is Blue the one who's animatonic was in the Chris Pratt twitter photo that recently came out?

Yeah I figured that, nice theory, I going with that...and Silver_Falcoln...how did you find out about his/her name... Blue? I actually like that name...

It's a good idea, and @Silver_Falcon, how did you get that?

You're going to have to ask dinoboy, he's the one who said it frst. Also, she is the one seen in the poster with Chris Pratt. If you look at her eyes, you'll see blue stripes going from them down the length of her body, hence the name "Blue".

i got the name from jp legacy. im not really sure where they got the name from. i think it was some guy on twitter who said he was an editor and that got see the animatronic in person and thats the name they called it

Blue is also the leader raptor in the Jurassic World trailer. If you look closely, you'll see the other raptors speed up when he does and at the close up when he screeches you see the striping.