Abstract Bradypus variegatus Schinz, 1825 (the brown-throated three-toed sloth), is 1 of 4 extant three-toed sloths. A highcanopy folivore, B. variegatus is distributed over southern Central America ...

本研究首次报道了尼加拉瓜树懒（Bradypus variegatus和Choloepus hoffmanni）体表寄生蜱Amblyomma geayi和Amblyomma varium的发现，填补了该国蜱类宿主关联数据的空白。研究人员通过形态学鉴定确认两种蜱种，将尼加拉瓜Amblyomma属蜱类记录增至15种，并扩展了A. geayi的地理分布北 ...

Three-toed sloths (Bradypus Variegatus) do everything at glacial speeds–including reproduce. Females give birth once every 15 months and to one baby at a time. Combine that with the fact that sloths ...

As human population, food consumption, and demand for forest products continue to rise over the next century, the pressures of landuse change on biodiversity are projected to intensify. In tropical ...

Three-toed sloths (Bradypus variegatus) are the slowest mammals on Earth, according to scientists who have spent 15 years studying these lazy tree-dwellers. When it comes to saving energy, three-toed ...

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Wild brown-throated three-toed sloths (Bradypus variegatus; pictured) sleep for a mere nine to ten hours a day, much less than the 16 hours of shut-eye observed in captive sloths. Niels Rattenborg of ...

Famously sluggish sloths spend most of their lives upside down. But unlike humans, these creatures don't have trouble breathing in that inverted position, because their internal organs are fixed in ...

Life is going to present special challenges to any creature named for a deadly sin. Sloths really deserved better. They could have been called deliberates or contemplatives. How sloths conceive of ...