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English: A random mutation in the DNA of elephants caused some elephants to have long trunks and some to have short trunks. The overproduction of elephants caused resources to become scare, so the elephants had to compete for food.
An African elephant’s ears are extremely large and billowing, while Asian elephant’s ears are smaller and look crumpled. An African elephant’s trunk is very different from an Asian elephant ...
With its trunk, an elephant can reach items up to 7 m (23 ft) high and dig for water in the mud or sand below. It also uses it to clean itself. [48] Individuals may show lateral preference when grasping with their trunks: some prefer to twist them to the left, others to the right. [44] Elephant trunks are capable of powerful siphoning.
A male African bush elephant skull on display at the Museum of Osteology. African elephants have grey folded skin up to 30 mm (1.2 in) thick that is covered with sparse, bristled dark-brown to black hair. Short tactile hair grows on the trunk, which has two finger-like processes at the tip, whereas Asian elephants only have one. [7]
Elephant ears are designed to keep the body cool. The ears’ large size also gives elephants remarkable hearing. Researchers think the large outer ear may help direct sounds to the inner ear ...
When comparing an elephant's vocal folds to those of a human, an elephant's are longer, thicker, and have a larger cross-sectional area. In addition, they are tilted at 45 degrees and positioned more anteriorly than a human's vocal folds. [18] From various experiments, the elephant larynx is shown to produce various and complex vibratory phenomena.
The Asian elephant is characterised by its long trunk with a single finger-like processing; large tusks in males; laterally folded large ears but smaller in contrast to African elephants; and wrinkled grey skin. The skin is smoother than African elephants and may be depigmented on the trunk, ears or neck.
Proboscidea (/ ˌ p r oʊ b ə ˈ s ɪ d i ə /; from Latin proboscis, from Ancient Greek προβοσκίς (proboskís) 'elephant's trunk') is a taxonomic order of afrotherian mammals containing one living family (Elephantidae) and several extinct families.