Summary
A polar bear in northern Canada has adopted a cub that is not her biological offspring. Scientists are studying this unusual case and are trying to find out what happened to the adopted cub's original mother by analyzing genetic samples.
Key Facts
- A mother polar bear was first seen with one cub after leaving her maternity den.
- Later, she was observed with two cubs, indicating one was adopted.
- Scientists do not know what happened to the adopted cub's biological mother.
- Researchers are using genetic samples to try to identify the biological mother of the adopted cub.
- This adoption case is rare and of interest to scientists studying polar bears.
