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Two living species are recognised, the common ostrich, native to large areas of sub-Saharan Africa, and the Somali ostrich, native to the Horn of Africa. They are the heaviest and largest living birds, with adult common ostriches weighing anywhere between 63.5 and 145 kilograms and laying the largest eggs of any living land animal. [ 3 ]
The common ostrich is the largest and heaviest living bird. Males stand 2.1 to 2.75 m (6 ft 11 in to 9 ft 0 in) tall and weigh 100 to 130 kg (220 to 290 lb), whereas females are about 1.75 to 1.9 m (5 ft 9 in to 6 ft 3 in) tall and weigh 90 to 120 kg (200 to 260 lb). [20]
The two extant species of ostrich are the common ostrich and Somali ostrich, both in the genus Struthio, which also contains several species known from Holocene fossils such as the Asian ostrich. The common ostrich is the more widespread of the two living species, and is the largest living bird species.
The northern mockingbird is the state bird of Texas. The list of birds of Texas is the official list of species recorded in the U.S. state of Texas according to the Texas Bird Records Committee (TBRC) of the Texas Ornithological Society. As of January 2024, the list contained 664 species. Of them, 170 are considered review species. Eight species were introduced to Texas, two are known to be ...
Enacted 50 years ago on Dec. 28, 1973, this legislation has played a pivotal role in preserving and protecting hundreds of species. 18 Texas species supported by the Endangered Species Act over 50 ...
The Texas Legacy Project: Stories of Courage and Conservation. Texas A&M University Press, College Station. 296 pp. ISBN 978-1603442008; Truett, Joe C. & Daniel W. Lay (1994). Land of Bears and Honey: A Natural History of East Texas. University of Texas Press, Austin. 198 pp. ISBN 978-0292781344; Wells, Renee Hart (2018) Big Thicket Region.
Of the 33 species of bats in Texas, the Mexican free-tailed bat is the state's official flying mammal. The species is famous for its massive colonies in Texas, particularly under Austin’s ...
Feb. 5—A lizard species once feared to be vanishingly scarce is now known to have several thriving populations across its historical range in the Edwards Plateau region of Central and West Texas ...