I enjoy travelling generic divalproex Nightingales in Berlin have to up their vocal performance by 14 decibels to be heard over the traffic; great tits in the city keep down the volume but change the pitch or the frequency to get the message across. The oilbird of Ecuador sleeps with its eyes closed but then it could even fly with its eyes closed: like a bat, it uses echolocation to work out where it is in total darkness. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])