It does not need to have a hyphen! :)
a blue jay is a herbivore but one blue jay ate a bird
Yes.
yes a blue jay is a bird
Jay Blue is 6' 3".
The Canada jay is gray and white, the blue jay is blue and gray and white, the Stellar's jay is similar to the blue jay but has a blackish head, scrub jays are blue and gray.
No
It's not a word in the dictionary, so yes, use the hyphen.
I do not believe that multitasking is supposed to have a hyphen.
You typically need only capitalize after sentence-ending punctuation, which a hyphen is not.
Make sure that the baby blue jay's legs are not splayed (which means that they are continually ... For the diet: you need to get the bird off the cat food right away! ... ...
Blue Jay - comics - was created in 1971.