stackyFACTSIt sounds like a bad knee joint, but it is actually a brilliant evolutionary hack. Tendons slipping over bone create a loud snapping noise with every step, allowing them to hear each other and stick together during zero-visibility blizzards instead of wandering off to freeze alone.
Keep exploring facts in this topic.
Transport →STACKY FOR IPHONEKeep discovering with Stacky. Interesting facts in an app that is always within reach.
The idea of a jolly man using magical arctic deer for a global delivery route wasn't ancient lore. It was completely cemented in public consciousness by A…
Discover more
They might look festive, but they are incredibly feral and hate taking orders. Getting one to pull a sled requires endless patience and a healthy acceptance…
Discover more
Careening down an ice tube in a fiberglass bathtub requires a disgusting amount of money. The sleek shaping and materials involved in shaving milliseconds off…
Discover more
Rather than a complicated harness setup, they literally run a single line right under the animal's belly. It looks absurdly uncomfortable, but it stops them…
Discover more
Panting only does so much when you are covered in a dense double coat. The only place these canines can actually release liquid sweat is through the bottom of…
Discover more
It seems incredibly counterintuitive to wait for the absolute most brutal, freezing time of the year to haul heavy cargo across high mountain passes. However,…
Discover more