Otter Otter Otters are carnivorous mammals in the subfamily Lutrinae. The 13 extant otter species are all semiaquatic, aquatic or marine, with diets based on fish and invertebrates. Lutrinae is a branch of the weasel family Mustelidae, which also includes badgers, honey badgers, martens, minks, polecats, and wolverines. The word "otter" derives from the Old English word "otor" or "oter". This, and cognate words in other Indo-European languages, ultimately stem from the Proto-Indo-European language root *wódr̥, which also gave rise to the English word "water". An otter's den is called a holt or couch. Male otters are called dogs or boars,
Otter Creek Observatory Otter Creek Observatory Otter Creek Observatory is an astronomical observatory, one of two units of the Otter Creek–South Harrison Observatories operated by Jefferson Community and Technical College. It is located at the Otter Creek Outdoor Recreation Area in Meade County, Kentucky, about 25 miles (40 km) southwest of downtown Louisville along the Ohio River. Otter Creek Observatory was founded as and built to be a public observatory in 1995 by the city of Louisville, which at the time owned and operated what was then known as Otter Creek Park. In 2000 the city formed a partnership with Jefferson Community and