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Giant wood rail: Aramides ypecaha (Vieillot, 1819) 15 Red-winged wood rail: Aramides calopterus Sclater, PL & Salvin, 1878: 16 Slaty-breasted wood rail: Aramides saracura (Spix, 1825) 17 Ridgway's rail: Rallus obsoletus Ridgway, 1874: 18 Clapper rail: Rallus crepitans Gmelin, JF, 1789: 19 Aztec rail: Rallus tenuirostris Ridgway, 1874: 20 ...
Flightlessness in rails is one of the best examples of parallel evolution in the animal kingdom. Of the roughly 150 historically known rail species, 31 extant or recently extinct species evolved flightlessness from volant (flying) ancestors. [9] This process created the endemic populations of flightless rails seen on Pacific islands today.
Namaqualand Railway mule train, c. 1876. This is a worldwide list of horse-drawn railways, an early form of rail transport that utilised horses and other similar animals to pull rail cars. Horses were also used for shunting.
This is a sortable list of countries by rail transport network size based on length of rail lines. [1] ... World 1,374,001 426,313 31.03% 107.95 372.12 4,814 2006
The Inaccessible Island rail has a tiny global range with a single population. Though still common within its tiny range, with around 5,600 adult birds in the world, [1] the species is considered to be vulnerable if an invasive species were to reach Inaccessible Island. [27]
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
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In the English language, many animals have different names depending on whether they are male, female, young, domesticated, or in groups. The best-known source of many English words used for collective groupings of animals is The Book of Saint Albans, an essay on hunting published in 1486 and attributed to Juliana Berners. [1]