Have you ever seen a black squirrel?
It's a melanistic subgroup of squirrels and they may have a considerably higher cold tolerance than gray squirrels with 18% lower heat loss in temperatures below −10 °C
It's a melanistic subgroup of squirrels and they may have a considerably higher cold tolerance than gray squirrels with 18% lower heat loss in temperatures below −10 °C
Have you ever seen a black squirrel?
It's a melanistic subgroup of squirrels and they may have a considerably higher cold tolerance than gray squirrels with 18% lower heat loss in temperatures below −10 °C