Subspecies There are two distinct subspecies of American Bison and these are: Wood Bison (Bison bison athabasacae) Plains Bison (Bison bison bison) Interesting Facts American Bison are also known as: Bison American Buffalo Buffalo American Bison are one of the most recognizable animals of North America.
Quick Answer. The bull shark life cycle starts when a mother gives birth to anywhere between one and 13 babies per litter. Its gestation period lasts 10 to 11 months, according to Wildscreen Arkive, and they generally give birth between late spring and early summer. They live in estuaries, river mouths and sometimes freshwater lakes.
For Hammerhead sharks, their life expectancy ranges from 20 to 30 years. Brown sharks and sandbar sharks are thought to live between 25 to 30 years. A research conducted in 2004 by joung identified that the lifespan of brown sharks is about 25 years while sandbar sharks can live up to 30 years.heir lifespan vary by kind. Even though most of them live about 20 to 30 years in the wild, there are some types that live longer than others. For instance, the dogfish has one of the longest lifespan of more than 100 years while blue shark has an average lifespan of about 15-16 years in the wild.