A really great friend of mine sent me this link and I can't stop laughing:
https://www.google.com/search?q=flehmen+response&client=ms-android-sprint-us&source=android-browser&prmd=ivn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjggtafv_zcAhWDI1AKHTbPAXkQ_AUICSgB&biw=360&bih=612