Normal resting heart rate. It is important to identify whether your heart rate sits within the normal range. If disease or injury weakens the heart, the organs will not receive enough blood to function normally. The United States National Institutes of Health (NIH) have published a list of normal resting heart rates.
There are currently two recognized species of wolves, the Canis lupus, or grey wolf, and the Canis rufus, or red wolf. These are two of the species that comprise the Canidae family in the Carnivora order. The red wolfâs Genus name, Canis, is Latin for dog.
1. The species Canis lupus covers a lot of dogs. There are 39 subspecies, one of them being all domestic dog breeds. Thirty-seven of these subspecies are wolves, the largest and most common being the Eurasian gray wolf (Canis lupus lupus), the common ancestor of domestic dog breeds. The gray wolf is found throughout the Northern Hemisphere and comes in black, brown, grey, and white, or a combination of these colors.