Scientists’ stunning observation of hybrid ‘grolar’ bear sparks concern: ‘Ill-suited to adapt’

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Scientists’ stunning observation of hybrid ‘grolar’ bear sparks concern: ‘Ill-suited to adapt’

As Arctic ice melts and temperatures rise, an unexpected hybrid bear is beginning to shape the shifting landscape: the “grolar” bear.

Grolar bears, the offspring of polar and grizzly bears, are rare but striking consequences of climate change. While their emergence raises intriguing questions about wildlife adaptation, as GreaterGood recently covered, it also signals deeper disruptions to ecosystems that could have lasting effects on wildlife and human communities alike.

What’s happening?

Polar and grizzly bears once occupied distinct habitats, with polar bears living in the Arctic and grizzly bears in tundras and forests farther south. But as the Arctic warms, polar bears are being pushed inland, where their territory now overlaps with that of grizzlies. This shift has led to the rise of grolar bears, first spotted in 2006 in the western Arctic.

Though the hybridization is still rare, experts expect it to increase as climate change accelerates. It’s a stark reminder of how climate change is reshaping entire ecosystems and threatening the delicate balance on which both wildlife and human livelihoods depend.

Why is this concerning?

Due to a suboptimal combination of traits from their predecessors, grolar bears are poorly suited to both marine and land environments. This makes survival in either habitat far more difficult,

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their chances of survival.

Evan Richardson, who specializes in polar bear research, told Polar Bears International that grolar bears are “ill-suited to adapt” to the habitat of either grizzly or polar bears.

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Experts warn that as climate change continues, the overlap between grizzly and polar bear habitats will expand, likely leading to

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. But while grolar bears may eventually survive in transitional zones, they cannot fill the ecological roles that polar and grizzly bears play in their respective environments.

Furthermore, polar bears face the

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without sea ice, as seals, which are their primary prey, are inaccessible on land.

This has profound consequences not just for polar bears but for the entire food chain in the Arctic.

What’s being done about it?

Conservationists emphasize that protecting polar bear habitats and curbing climate change are urgent priorities to maintain the biodiversity of the Arctic. The Arctic Council is advocating for

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, while worldwide climate initiatives are working to curb ice melt.

There are also

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as individuals to help safeguard the delicate balance of this essential and unique ecosystem. If you want to

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, you can look for organizations that focus on preservation in this area.

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