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Elephantidae is a family of large, herbivorous proboscidean mammals which includes the living elephants (belonging to the genera Elephas and Loxodonta), as well as a number of extinct genera like Mammuthus (mammoths) and Palaeoloxodon. They are large terrestrial mammals with a snout modified into a trunk and teeth modified into tusks.
Elephant ear flaps, or pinnae, are 1–2 mm (0.039–0.079 in) thick in the middle with a thinner tip and supported by a thicker base. They contain numerous blood vessels called capillaries. Warm blood flows into the capillaries, releasing excess heat into the environment. This effect is increased by flapping the ears back and forth.
Mammoth tusks are among the largest known among proboscideans with some specimens over 4 m (13.1 ft) in length and likely 200 kg (440.9 lb) in weight with some historical reports suggesting tusks of Columbian mammoths could reach lengths of around 5 m (16.4 ft) substantially surpassing the largest known modern elephant tusks. [36] The heads of ...
This week, meet orphan elephants that could lead to hybrid mammoths, discover a planet with a possible sibling, encounter an ancient type of mortal combat, and more.
A mastodon (mastós 'breast' + odoús 'tooth') is a member of the genus Mammut (German for 'mammoth'), which was endemic to North America and lived from the late Miocene to the early Holocene. Mastodons belong to the order Proboscidea, the same order as elephants and mammoths (which belong to the family Elephantidae).
Commenting on whether the woolly mammoth should be brought back to life, Lynch says, "I personally think no. Mammoths are extinct and the environment in which they lived has changed. There are ...
Cumberland and Tennessee River systems [188] Extinct in 1970 due to habitat degradatation and fragmentation. [8] Stone's pearly mussel: Epioblasma lenior: Tennessee River system Extinct in 1967 due to loss of habitat through impoundment or channelization. [189] Lewis pearly mussel: Epioblasma lewisii: Cumberland and Tennessee River systems [190]
The effort to regrow a woolly mammoth from the edited genes of an Asian elephant took a petri dish-sized move toward reality. De-extinction company Colossal Biosciences announced they can now ...