Science

Migratory birds spread avian influenza to Greenland's polar bears

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 21/10/2026, 16:25:24 UTC.

Briefings

A new study indicates migratory birds breeding in the Arctic are transmitting avian influenza to polar bears in eastern Greenland. Infection evidence was detected in blood samples collected from Greenland Inuit subsistence hunters, marking the first confirmed case of this disease in the region's bear population.

Key points

• Migratory birds breeding in the Arctic are spreading avian influenza to polar bears in eastern Greenland.
• Infection evidence was found in blood samples from Greenland Inuit subsistence hunters.

Context

This finding represents the first documented case of avian influenza in Greenland's polar bear population, occurring during the breeding season of migratory birds in the Arctic.

Limitations

Evidence relies on subsistence hunter blood samples; no direct testing of bird or bear tissues was performed. Study published in 2026, so current status of the virus is unknown.

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