Coupla giraffe buddies trying to keep a straight face

I had no idea how totally and completely immature giraffes could be. All I wanted was a simple group portrait. Nothing fancy. Just stand together and smile. And try not to drool. (2nd from right was a drooler) Or make obscene babboon and camel jokes. Or pee on each other's hooves. Or swat each other with their tails...