Question: What is the species name of the animal in which the University of Tennessee at Chattanooga has as a mascot?

Context paragraphs:
S. nigra: S. nigra is an abbreviation of a species name.  In binomial nomenclature the name of a species is always the name of the genus to which the species belongs, followed by the species name (also called the species epithet).  In "S. nigra" the genus name has been abbreviated to "S." and the species has been spelled out in full.  In a document that uses this abbreviation it should always be clear from the context which genus name has been abbreviated.

Joel Cunningham: Joel Cunningham was the fifteenth vice chancellor of the University of the South and the former president of Susquehanna University.  He grew up in Oak Ridge, Tennessee and graduated summa cum laude from the University of Chattanooga in 1965 with majors in mathematics and psychology and completed his master's and doctoral degrees in mathematics from the University of Oregon.  Cunningham is a member of the Sigma Chi Fraternity.  He began his career in academe as a member of the faculty at the University of Kentucky, where he taught mathematics for five years.  He made his first return to Tennessee, to his alma mater, in fact, when he was appointed dean of continuing education and mathematics faculty member at the University of Tennessee at Chattanooga, in 1974.  He served a year as an American Council on Education Fellow with the Chancellor of the University of Tennessee, Knoxville, and the President of the University of Tennessee.  He left Chattanooga in 1979 to become vice president for academic affairs, dean of the faculty, and professor of mathematics at Susquehanna University in Pennsylvania.  In 1984 he was named president there where he remained until 2000, when he was elected vice chancellor by Sewanee's board of trustees and made his second Tennessee homecoming.  He served in this position until 2010.

A. pedunculata: A. pedunculata is an abbreviation of a species name.  In binomial nomenclature the name of a species is always the name of the genus to which the species belongs, followed by the species name (also called the species epithet).  In "A. abbreviata" the genus name has been abbreviated to "A." and the species has been spelled out in full.  In a document that uses this abbreviation it should always be clear from the context which genus name has been abbreviated.

Northern mockingbird: The northern mockingbird ("Mimus polyglottos") is the only mockingbird commonly found in North America.  This bird is mainly a permanent resident, but northern birds may move south during harsh weather.  This species has rarely been observed in Europe.

A. arvensis: An abbreviation of a species name.  In binomial nomenclature the name of a species is always the name of the genus to which the species belongs, followed by the species name (also called the species epithet).  In "A. arvensis" the genus name has been abbreviated to "A." and the species has been spelled out in full.  In a document that uses this abbreviation it should always be clear from the context which genus name has been abbreviated.

Chief Moccanooga: Chief Moccanooga was the former athletic mascot for the University of Tennessee at Chattanooga, until 1996, when the university abandoned the mascot as potentially offensive at the request of the Chattanooga InterTribal Association.  Chief Moccanooga was replaced with a mockingbird, the state bird of Tennessee, and the nickname for Chattanooga athletics was changed from 'Moccasins' to simply 'Mocs'.

A. acaulis: An abbreviation of a species name.  In binomial nomenclature the name of a species is always the name of the genus to which the species belongs, followed by the species name (also called the species epithet).  In "A. acaulis" the genus name has been abbreviated to "A." and the species has been spelled out in full.  In a document that uses this abbreviation it should always be clear from the context which genus name has been abbreviated.

Andy Moore (American football): Andrew Cecil "Scrappy" Moore, Jr. (September 25, 1902 – May 3, 1971) was an American football player and coach.  He served as the head football coach at the University of Chattanooga, now the University of Tennessee at Chattanooga, from 1931 to 1967, compiling a record of 171–148–13.  He had the longest tenure and the most successful record of any coach at Chattanooga.  Moore played football as a quarterback at the University of Georgia.  Moore's nickname "Scrappy" is currently used as the name of the mascot of UTC.  He was inducted into the College Football Hall of Fame as a coach in 1980.

Scrappy Moc: Scrappy is the mascot of the University of Tennessee at Chattanooga.  He is a mockingbird, the state bird of Tennessee.  Scrappy is named after the legendary, former Chattanooga football coach, A.C. "Scrappy" Moore.

A. armeniaca: An abbreviation of a species name.  In binomial nomenclature the name of a species is always the name of the genus to which the species belongs, followed by the species name (also called the species epithet).  In "A. armeniaca" the genus name has been abbreviated to "A." and the species has been spelled out in full.  In a document that uses this abbreviation it should always be clear from the context which genus name has been abbreviated.

Supporting paragraphs: Scrappy Moc Northern mockingbird
Answer: Mimus polyglottos