For example, the world's smartest dog breed is more intelligent than a four-year-old child. Plus, there's another animal that is smarter than a five-year-old child, and it's not an ape, dolphin, or ...

为探究关联选择（Correlational selection）是否促使东部灰松鼠（Sciurus carolinensis）黑色变体增强反捕食行为，研究人员以飞行起始距离（FIDs）为指标展开研究。结果显示，灰、黑变体 FIDs 无显著差异，城乡环境差异对避敌行为影响更大。该研究深化了对城市野生 ...

Squirrel in garden. Photo by Steve Smith on Unsplash Squirrels, common across the U.S., are often spotted in backyards. The gray squirrel (Sciurus carolinensis) is the most prevalent, recognized by ...

如何识别花园里的松鼠 花园里的松鼠。照片由 Steve Smith 在 Unsplash 上拍摄 松鼠在美国各地很常见，经常在后院发现。灰松鼠（Sciurus carolinensis）是最常见的一种，以其浓密的尾巴和灰色或白色的腹部而闻名，它在美国东部繁衍生息，以水果、坚果和鲜花为食。

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Sciurus’ partner, Mammalia ... The daughters each have a budding romance, Chordata with the fox squirrel leader, Carolinensis, and Rodentia with an ambitious newcomer gray squirrel, Sciuridae.

1 School of Biosciences, Cardiff University, Cardiff, United Kingdom 2 Department of Horticulture, Sapientia Hungarian University of Transylvania, Tirgu-Mureș, Romania Evolution ultimately proceeds ...

Kermode bears are not albinos; they have a recessive gene that makes their fur a creamy white colour. Black squirrels are mostly in Ontario. Scientific name: Sciurus carolinensis. Location: Ontario, ...

Headphones icon This story is best experienced with audio. Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Birdsong can ...

This was abundantly clear last week when I was in Florida, watching a specific variation of the Eastern fox squirrel (Sciurus niger). I’d found the Sherman’s fox squirrel (Sciurus niger shermani) that ...

Due to changes in global climate, the geographic distribution of ticks and tick-borne infections is increasing and represents a growing global health concern for humans. Ticks of the genus Ixodidae ...