A large scale study in Norway showed that across all breeds, about 4% of pups will be stillborn and a further 4% will die within the first week (early neonatal mortality). Between 8 days and 8 weeks, 1% will die. Litter size, breed size and age of the female is associated with increased risk.
After you've browsed the 11 facts (with citations at the bottom), take action and volunteer with our millions of members. Sign up for a campaign and make the world suck less. 1  A blizzard is a severe snow storm with winds in excess of 35 mph and visibility of less than a 1/4 mile for more than 3 hours.
The National Weather Service defines a blizzard as any severe snowstorm that is accompanied by strong winds â at least 35 mph â resulting in low visibility. The defining factor of a blizzard is actually the strength of the wind, rather than the amount of snow. To qualify as a blizzard, the combination of wind and snow must reduce visibility to a quarter mile or less and last for at least three hours. Severe blizzards can reduce visibility to zero, making it difficult to see buildings or trees just a few yards away.