We, humans, are always seeing differences in other people of our same species. These are some examples of what beings of different species -not only races- are capable of doing:
http://www.youtube.com/watch?v=6lg2oSpnTRc
http://www.youtube.com/watch?v=MepWPMjHO3U&feature=related
http://www.youtube.com/watch?v=R6CvzUDsOFQ
This one is really sad, but I saw it long time ago and could never forget it. It’s one of the most incredible things I’ve ever seen.
http://www.youtube.com/watch?v=BRhoNYLKwTI
I think we have a lot to learn from them.
Have a nice day!