Rare Polar Bear Adoption Documented In Canada
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Researchers in Canada confirmed a rare and remarkable event on January 1, 2026. A wild female polar bear had adopted an unrelated cub. The five-year-old mother was identified as bear X33991. She belongs to the Western Hudson Bay polar bear subpopulation in northern Manitoba. The scientists say this is only the 13th known adoption since they began tracking the group 45 years ago.
Tracking bear X33991
The team from Environment and Climate Change Canada first observed bear X33991 in the spring of 2025. She emerged from her den in Wapusk National Park with a single cub. As part of their ongoing study, the scientists tagged the cub to track its development.
However, when the researchers saw her again in November, bear X33991 was traveling with two cubs of similar age. One carried the tracking tag, while the other was unknown. Suspecting an adoption, the researchers conducted a DNA analysis. Sure enough, the second cub was not the biological offspring of bear X33991.
Search for the biological mother
The researchers are now reviewing their extensive genetic database to identify the cub’s biological mother. If she is still alive, it would suggest a "litter swap." This rare event occurs when cubs are accidentally exchanged in areas where many bears gather. If the DNA matches a female that has not been seen recently, she may have died. This would make the cub a true orphan.
Crossing the ice
Meanwhile, since November, bear X33991 has led the two cubs on a long trek of more than 497 miles (800 km) across the newly formed sea ice of Hudson Bay. This journey is part of an annual migration. As the bay freezes each winter, polar bears move from shore to hunt seals that live under the ice.
Bear X33991 must catch enough seals to sustain herself and produce milk for both cubs. She also has to teach them how to hunt by waiting for seals to surface at breathing holes hidden beneath the snow.
Despite supporting an extra cub, recent drone footage shows that all three bears are in good condition. This is encouraging since only three of the twelve previously known adopted cubs in this region survived to adulthood.
Polar bears in a changing world
Polar bears are the largest bears in the world. Their thick layer of fat and waterproof coat lets them survive in freezing temperatures. Scientists estimate there are about 31,000 polar bears spread across the Arctic. However, their survival is increasingly threatened as melting sea ice makes hunting and breeding more difficult. The adoption by bear X33991 is a rare success, but the long-term survival of the species depends on preserving the frozen habitat they call home.
Resources: Smithsonianmag.com, polarbearsinternational.org, BBC.com
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37 Comments
eleven23 monthsawww
newsmp3 monthsI didn't know that polar bears adopt orpahs, too! This is soooo cute!😁💕
cjhines3 monthsthey adopt each other because they are able to help take care of each other and fend for each other and the more there are the less vulnerable they will be its a survival tactic that polar bears use.
- bulivikabovi3 monthsI know that they are so cute and I didn't know the polar bears was adopted but it has good life and a good mother. :]
cynofylyrugu3 monthsIt's an good article. I love how polar bears look out for each other.
mumoluwifusa3 monthsI wuv polar bears they are so cute
eshea_preppy3 monthsIf she is still alive"😭😭I wish they weren't endangered I looove polar bears!!!
taytay6741about 2 monthsLet's save the polar bears!- cjhines3 monthspolar bears would have never been endangered if humans didn't pollute the earth as much and if humans didn't use their fur as fashion
lilybeenzz3 monthsaww i love polar bears!!!
kadyncemarie3 monthsomg it is so cute!!!!!!!!!!!!!!!!!11
f41ryx03 monthsomg so adorable!! so wish i had a pet polar bear- cemylukulufa3 monthsme too I would love to have a polar bear if it wasn't so aggressive!!
katseye4life3 monthsCute!
