[HangnJudge]

https://polarbearscience.com/2017/04/12/global-polar-bear-population-size-is-about-28500-when-updates-are-included/

Polar bear numbers have risen since 2005, no matter how you look at it:

Could it be that rising population of polar bears is causing stress on the feed stock, and increasing competition, causing starvation as part of a natural cycle?

Contrarian view...

[aumrl]

I seem to recall that hunting of the bears has been curtailed....