procyonid造句

• While coatis are diurnal, all other procyonids are nocturnal.
• Most are terrestrial, although a few species, like procyonids, are arboreal.
• Exceptional among procyonids, coatis are diurnal and for much of the year gregarious.
• Like other procyonids, coatis are omnivores.
• Large raptors, canids, felids, procyonids and snakes are likely the major predators.
• Early procyonids may have been an offshoot of the canids that adapted to more omnivorous diets.
• However, it is now believed that procyonids are more closely related to mustelids than to bears.
• Mammals are also significant prey, with agoutis, squirrels, rats, procyonids, and monkeys often taken.
• Genetic studies have shown that kinkajous are a sister group to all other extant procyonids; they split off about 22.6 Ma ago.
• Except for the kinkajou, all procyonids have banded tails and distinct facial markings, and like bears, are plantigrade, walking on the soles of their feet.
• Procyonids did not arrive in North America until the early Miocene, and " modern " ursids ( e . g ., Ursinae ), did not arrive until the late Miocene.
• The tip of the tail can be moved slightly on its own, as is the case with cats, but it is not prehensile as is that of the kinkajou, another procyonid.
• The Musteloidea in turn consists of the Mustelidae ( mustelids : weasels ), Procyonidae ( procyonids : raccoons ), Mephitidae ( skunks ) and " Ailurus " ( red panda ).
• Molecular phylogenetic studies show that, as an ancient species in the order Carnivora, the red panda is relatively close to the American raccoon and may be either a monotypic family or a subfamily within the procyonid family.
• In South America, the procyonids and canines, and disappeared long before the arrival of macropredatory forms like felines, while didelphimorphs ( opossums ) invaded Central America, with the Virginia opossum reaching as far north as Canada.
• A recent study has finally resolved the exact position of " Ailurus " : the red panda is neither a procyonid nor an ursid, but forms a monotypic family, with the other musteloids as its closest living relatives.
• Coatis also are, in common with raccoons and other procyonids ( and others in the order Carnivora and rare cases amongst other mammals ), double-jointed and their ankles can rotate beyond 180? they are therefore able to descend trees head first.
• The mammalian fauna of the region includes six species of marsupials, three muskrats, at least 58 bats, three primates, seven edentates, two rabbits, one ground hog, three species of squirrels, one species of spiny mouse, at least 15 species of long-tailed rats and mice ( family Muridae ); one species of porcupine, one species of agouti, one paca, two canids, five mustelids, four procyonids, six felines, two species of wild pigs, two species of deer, and one tapir.