Early Life. Canadian actress Rachel McAdams was born on November 17, 1978 in London, Ontario, Canada. Her father, Lance, worked as a mover, and her mother, Sandra, worked as a nurse. Together, they raised McAdams and her younger siblings, sister Kayleen and brother Daniel.
Wolves can hear a lot better than people but it depends on the terrain. In open terrain, perhaps 5-10 miles is possible.
Our Living Language : Many people use simple ultrasound generators. Dog whistles, for example, produce tones that dogs can hear but that are too high to be heard by humans. Sound whose frequency is higher than the upper end of the normal range of human hearing (higher than about 20,000 hertz) is called ultrasound.