Cold kills crabs, starfish, lobsters, sponges, anemones, and maybe jackdaws?

40,000 crabs join slew of animal-death mysteries - thestar.com

Now, more than 40,000 Velvet swimming crabs have wound up dead on England beaches. The possible reason? Hypothermia.

The Thanet shoreline is littered with the crabs, along with dead starfish, lobsters, sponges and anemones.

The crabs benefit from warm seas, but when winter hits and snow covers the beaches, they just can’t handle the freezing temperatures, Tony Child, Thanet Coast Project manager, told the Star.
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Meanwhile, about 50 jackdaw birds were found dead Wednesday on a street in Stockholm, Sweden.
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Along with shock from the fireworks, the vet listed cold weather and difficulty finding food as possible reasons for the deaths.