ExplorersWeb on MSN1 天
Early Mammals' Fur Had No Color, Was All Dark Grey
Our earliest mammalian ancestors avoided the dominant dinosaurs by only coming out at night and having uniformly dark, ...
Early mammals were all one color, study suggests
The new research is the first to look back at early mammals in full color. Using advanced fossil imaging methods and a ...
Nature1 个月
A primer on rodent identification methods
Identifying laboratory rodents as a group may be sufficient if all the animals are to receive the same treatment and/or manipulation and if individual variations in response are not to be recorded ...
Rat poison is sickening and killing D.C. wildlife, study finds
Of 101 samples collected from dead animals between September 2023 and May 2024, 85 percent tested positive for rodenticide, ...