what kind of cat is the one you mentioned in your answer?
It is a medium-sized cat which is an adaptable predator.
Bobcat
The bobcat ("Lynx rufus"), also known as the red lynx, is a medium-sized cat native to North America from southern Canada, most of the contiguous United States to Oaxaca in Mexico. It is listed as Least Concern on the IUCN Red List since 2002, because it is widely distributed and abundant. Although it has been hunted extensively both for sport and fur, populations have proven resilient though declining in some areas.

It has distinctive black bars on its forelegs and a black-tipped, stubby (or "bobbed") tail, from which it derives its name. It is smaller on average than the Canada lynx, with which it shares parts of its range, but is about twice as large as the domestic cat. It is an adaptable predator inhabiting wooded areas, as well as semidesert, urban edge, forest edge, and swampland environments
what kind of habitat do river otters live in River otter is found in a wide variety of aquatic habitats, both freshwater and coastal marine, including lakes, rivers, inland wetlands, coastal shorelines, marshes, and estuaries. what is the geographic location of this river? UNANSWERABLE what kind of species is this? The North American river otter is a member of the subfamily Lutrinae in the weasel family (Mustelidae). where is it found? North America, coastal areas in Canada, the Pacific Northwest, the Atlantic states, and the Gulf of Mexico. is it nature playful? Yes - North American river otters are renowned for their sense of play. Otter play mostly consists of wrestling with conspecifics. Chasing is also a common game. what kind of threats do they face? Aquatic predators include the American alligator, American crocodile, killer whale. On land or ice terrestrial predators include the bobcat, mountain lion etc. what type of species is this former terrestrial predator that you mentioned? It is one of two extant species in the genus "Alligator" within the family Alligatoridae.
wiki:5262432
Bobcat [SEP] Introduction
The bobcat ("Lynx rufus"), also known as the red lynx, is a medium-sized cat native to North America from southern Canada, most of the contiguous United States to Oaxaca in Mexico. It is listed as Least Concern on the IUCN Red List since 2002, because it is widely distributed and abundant. Although it has been hunted extensively both for sport and fur, populations have proven resilient though declining in some areas. It has distinctive black bars on its forelegs and a black-tipped, stubby (or "bobbed") tail, from which it derives its name. It is smaller on average than the Canada lynx, with which it shares parts of its range, but is about twice as large as the domestic cat.