The blue whale (Balaenoptera musculus) is a marine mammal belonging to the baleen whales . At up to 29.9 metres (98 ft) in length and with a maximum recorded weight of 173 tonnes (190 short tons) and probably reaching over 181 tonnes (200 short tons), it is the largest animal known to have ever existed.
According to the United States Census Bureau, the city has a total area of 5.1 square miles (13.1 kmÂ²), of which 5.0 square miles (13.1 kmÂ²) is land and 0.20% is water. Donna is bordered on the east by Weslaco, Texas and on the west by Alamo. The southern boundary of the town is a few miles north of the Rio Grande, the international border between the United States and Mexico. It is 225 miles (362 km) south of San Antonio, Texas.
Arlington is a principal city in the U.S. state of Texas, located in Tarrant County. It is part of the Mid-Cities region of the DallasâFort WorthâArlington metropolitan area, approximately 12 miles east of downtown Fort Worth and 20 miles west of downtown Dallas. According to the U.S. Census Bureau's estimate, the city had a population of almost 379,577 at the end of 2013 making it the third-largest municipality in the metropolitan area. Arlington is the forty-eighth-most populous city ...