Dude no seriously can't u see that no parrots head will look like that and after a closer look u can see that its a hand after that u can literarily see the whole body
i got it all right im not lying the last one almost tricked me but then i was like wait maybe on the right trying to trick me then i was like wait maybe there the same size and then it shows awnser im feeling so smart (cant even sperll properly lol and calls himself smart)
Because they are surrounded by things that give you a different view. Also cos the right ones surrounded by small things so it look bigger but the left ones surrounded by large circles so it looks smaller. Tilt it and you'll see BTW PLZ SUBSCRIBE AND ILL SUBSCRIBE BACK. PROMISE.