The White Whale. 1  Belugas (Delphinapterus leucas) are one of the most recognizable and popular whales because of their white skin colour and âsmilingâ upturned mouth. They are extremely sociable mammals that live, hunt, and migrate together in pods, ranging from a few individuals to hundreds of whales.
Here's what these terms mean: 1  Pace: Your immediate pace in minutes per mile or kilometer. 2  Average Pace: Your cumulative average pace for your current session in minutes per mile or kilometer.
An average heart beats about 100,000 times daily. A pulse rate is measured in the amount of beats in one minute. At rest, a pulse averages 70 to 80 beats per minute. Endurance athletes can have a resting pulse as low as 40 beats per minute.