Meaning that Santa Claus might have a nice reindeer coat that keeps him warm & is naturally buoyant, in case he needs to deliver presents... to Aquaman?
Meaning that Santa Claus might have a nice reindeer coat that keeps him warm & is naturally buoyant, in case he needs to deliver presents... to Aquaman?
They have to be, because these migrations are long & stragglers are often left behind.
(📷: NPS)
They have to be, because these migrations are long & stragglers are often left behind.
(📷: NPS)
On the left is the summer coat, with smaller pockets. On the right, the expanded air spaces in a winter hair.
So not just a different color, different microstructures!
(🔬: Taylor Millett)
On the left is the summer coat, with smaller pockets. On the right, the expanded air spaces in a winter hair.
So not just a different color, different microstructures!
(🔬: Taylor Millett)
Each hair shaft is shaped like bubble wrap! These hollows and crevices interact to trap air which acts as insulator & life preserver.
Each hair shaft is shaped like bubble wrap! These hollows and crevices interact to trap air which acts as insulator & life preserver.