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Quetzalcoatlus (/ k ɛ t s əl k oʊ ˈ æ t l ə s /) is a genus of azhdarchid pterosaur that lived during the Maastrichtian age of the Late Cretaceous in North America. The type specimen, recovered in 1971 from the Javelina Formation of Texas, United States, consists of several wing fragments and was described as Quetzalcoatlus northropi in 1975 by Douglas Lawson.
Its tusks have been known to reach 2.7 m (9 ft) in length, although in modern populations they are most commonly recorded at a length of 0.6–0.9 m (2 ft 0 in – 2 ft 11 in). [1] The average walking speed of an elephant is 7.2 km/h (4.5 mph), but they can run at recorded speeds of up to 24 km/h (15 mph). [2]
Spanning an impressive 111 feet (34 meters) in width, 105 feet (32 m) in length, and standing 18 feet (5.5 m) tall, this colossal organism — so large it’s even visible even from space ...
The heaviest bird ever capable of flight was Argentavis magnificens, the largest member of the now extinct family Teratornithidae, found in Miocene-aged fossil beds of Argentina, with a wingspan up to 5.5 m (18 ft), a length of up to 1.25 m (4.1 ft), a height on the ground of up to 1.75 m (5.7 ft) and a body weight of at least 71 kg (157 lb).
Emperor penguins are large birds that stand around 4 feet high and weigh up to 100 pounds. They have black feathers on the back, white feathers on the front, a yellow patch on the neck and an ...
The thallus of U. mammulata is usually 4 to 15 cm (1.6 to 5.9 in) in diameter, but specimens have been known to reach 63-centimetre (2.07 ft) in the Smoky Mountains of Tennessee. [ 34 ] The longest lichen is Usnea longissima , which may grow to exceed 20 feet (6.1 m) in length.
Adult male beluga whales can range from 3.5 to 5.5 m (11 to 18 ft), while the females measure 3 to 4.1 m (9.8 to 13.5 ft). The largest river dolphin is the Amazon river dolphin (Inia geoffrensis) from Amazon basin at a length of 1.53 to 2.4 m (5.0 to 7.9 ft), depending on subspecies. Females are typically larger than males.
The Etruscan shrew has a very fast heart beating rate, up to 1511 beats/min (25 beats/s) and a relatively large heart muscle mass, 1.2% of body weight. [3] The fur color on the back and sides is pale brown, but is light gray on the stomach. The fur becomes denser and thicker from fall through the winter. [8]