Conversation so far:
is there a difference between cougars and mountain lions
The cougar (Puma concolor) is a large felid of the subfamily Felinae. Due to its wide range, it has many names including puma, mountain lion, red tiger, and catamount.
what is the cougar's range
The cougar has the largest range of any wild land animal in the Americas. Its range spans 110 degrees of latitude, from northern Yukon in Canada to the southern Andes.

Question: why
Self-contained rewrite: why does the cougar have the largest range of any wild land animal in the americas