Hilarious video: rooster takes his role as an alarm clock too seriously ... Nagoya University in Japan, roosters crow at dawn because their biological clock can recognize the time.

There are endless reasons for the noises any animal makes, from the typical — like a rooster crowing ... why roosters crow, ...

Anyone who has felt the pain of waking up to the alarm clock in the morning can imagine the frustration of an elderly ...

You can hit the snooze button on your alarm and continue your good sleep, but what would you do if a rooster next door crows early morning? The rooster's crowing will disturb you unless your sleep ...