About this document
Evolution of Bears and Ursavus by darkspr is a document available to read on EtoBox.
Bears diverged from Ursavus between 15 and 20 million years ago, with the Ailuropodinae (pandas) being the first to diverge around 19 million years ago. The subfamily Ursinae saw significant diversification around 5.3 to 4.5 million years ago, leading to the emergence of modern bear species, including the polar bear, which evolved from brown bears about 400,000 years ago. Phylogenetic analyses reveal various classifications of bear species into subfamilies and highlight their relationships with other carniv
- Author
- darkspr
- Language
- EN