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The species with the smallest estimated population is the whooping crane, which is conservatively thought to number 50–249 mature individuals, [5] and the one with the largest is the sandhill crane, which has an estimated population of 450,000–550,000 mature individuals.
This species is among the largest and heaviest cranes, typically measuring about 150 to 158 cm (4 ft 11 in to 5 ft 2 in) tall and 101.2–150 cm (3 ft 4 in – 4 ft 11 in) in length (from bill to tail tip). Across the large wingspan, the red-crowned crane measures 220–250 cm (7 ft 3 in – 8 ft 2 in).
The whooping crane (Grus americana) is an endangered crane species, native to North America, [3] [1] named for its "whooping" calls. Along with the sandhill crane (Antigone canadensis), it is one of only two crane species native to North America, and it is also the tallest North American bird species. [3]
Cranes are sister taxa to Eogruidae, a lineage of flightless birds; as predicted by the fossil record of true cranes, eogruids were native to the Old World. A species of true crane, Antigone cubensis, has similarly become flightless and ratite-like. Eogruidae is an extinct lineage of mostly flightless stem-cranes. Pictured is the two-toed ...
The sandhill crane (Antigone canadensis) is a species of large crane of North America and extreme northeastern Siberia. The common name of this bird refers to their habitat such as the Platte River, on the edge of Nebraska's Sandhills on the American Great Plains. Sandhill cranes are known to frequent the edges of bodies of water.
The two species differ genetically by 5.5%, Fry shared. “It’s quite significant – to put it in perspective, humans differ from chimpanzees by only about 2%."
The sarus crane (Antigone antigone) is a large nonmigratory crane found in parts of the Indian subcontinent, Southeast Asia, and northern Australia.The tallest of the flying birds, standing at a height of up to 1.8 m (5 ft 11 in), they are a conspicuous species of open wetlands in South Asia, seasonally flooded Dipterocarpus forests in Southeast Asia, and Eucalyptus-dominated woodlands and ...
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