Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
—Median network from 132,093 SINE insertions. Parallel edges indicate shared splits between species. Major edges are colored, they separate the two major ursine clades (blue), or group together sun and sloth bear (purple), brown bear and polar bear (green) and American black and polar bear (yellow). Edge lengths indicate the number of shared SINE insertions as calculated by SplitsTree 4. For better readability the spectacled bear is not shown.
