Search results
Results from the WOW.Com Content Network
Manatees (/ ˈ m æ n ə t iː z /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West ...
Steller's sea cow was the largest known sirenian to have lived, and could reach lengths of 9 metres (30 ft) [41] and weight of 8 to 10 tonnes (8.8 to 11.0 short tons). [44] A dugong's brain weighs a maximum of 300 grams (11 ounces), about 0.1% of the animal's body weight. [ 33 ]
The earliest known sea cows, of the families †Prorastomidae and †Protosirenidae, were both confined to the Eocene, and were pig-sized, four-legged, amphibious creatures. [19] The first members of Dugongidae appeared by the middle Eocene. [20] At this point, sea cows were fully aquatic. [19] Pinnipeds split from other caniforms 50 mya during ...
Paenungulata (from Latin paene "almost" + ungulātus "having hoofs") is a clade of "sub-ungulates", which groups three extant mammal orders: Proboscidea (including elephants), Sirenia (sea cows, including dugongs and manatees), and Hyracoidea . At least two more possible orders are known only as fossils, namely Embrithopoda and Desmostylia. [a]
Once the preserve of explorers and sea dogs, the Drake is today a daunting challenge for an ever-increasing number of travelers to Antarctica — and not just because it takes up to 48 hours to ...
Over 1000 breeds of cattle are recognized worldwide, some of which adapted to the local climate, others which were bred by humans for specialized uses. [1]Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species.
The sugar in candy won't have a bad effect on the cow or the human eating it, Chuck Hurst, a livestock nutritionist, told CNN. Farmers really do feed their cows Skittles — here's why Candy ...
A fossil reveals how a now-extinct species of dugong was swimming in the sea about 15 million years ago when it was preyed upon by a crocodile and a tiger shark.