Blatantly mate, monkeys are funny especially when wearing some kind of hat but fit birds are way better.
Try this one, watch the video (better on full screen) and follow the instructions on the screen http://www.youtube.com/watch?v=VNdekYNzvzA
I covered her up with my hand and still couldn't see King Kong!!!!!!!! I was warned blindness was a danger when I was younger mind.
I was wondering why I couldn't see King Kong, so just checked my colour vision on here. After the first couple of numbers it was difficult for me to make them out but there's a quiet verbal hint for the harder ones so turn up your speakers. http://www.maniacworld.com/color_blind_test.htm