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6 giorni fa · The chimpanzees in Mammals started off with honey before searching out more meaty foods. (BBC) Attenborough lulled viewers into a false sense of security by showing chimpanzees in the forests of Equatorial Africa searching for honey in beehives. However, things took a turn for the gory when the chimps who couldn't get to the honey started ...
4 giorni fa · Mammals Cast of Uintatherium anceps skull, French National Museum of Natural History, Paris. The oldest known fossils of most of the modern mammal orders appear within a brief period during the early Eocene. At the beginning of the Eocene, several new mammal groups arrived in North America.
5 giorni fa · Cetaceans includes whales, dolphins and porpoises. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater. Common name. ( French name) Species.
5 giorni fa · Vertebrate, any animal of the subphylum Vertebrata. They have backbones and are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone. Its members include fishes, amphibians, reptiles, birds, and mammals.
1 giorno fa · Lyciscus cagottis Hamilton-Smith, 1839. The coyote ( Canis latrans) is a species of canine native to North America. It is smaller than its close relative, the gray wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecological niche as the golden jackal does in Eurasia.
15 ore fa · Like many whales and dolphins, sperm whales are highly social mammals and communicate by squeezing air through their respiratory systems to make strings of rapid clicks that can sound like an extremely loud zipper underwater. The clicks are also used as a form of echolocation to help them track their prey.
1 giorno fa · As is well known, virtually all larger eutherian mammals belong to the precocial group (Clauss et al., 2014), where it is common to observe more differentiated brain and body plans, a higher degree of encephalisation (larger brain-to-body mass ratio), and other features associated with a more evolved and derived life mode, such as a longer lifespan and a lower number of offspring (Shea, 2007).
