Every Scottie I have ever owned (9 of them) has been a maths major in geometry. This is a very useful skill when hunting prey.
Most dogs (and other animals for that matter) note where their prey is, and run straight towards it. After a couple of paces, the dog realises the prey has moved, and they change track slightly to run towards it. This happens all the time until they get to their prey and can grab them from behind. The name for this sort of curve is the Curve of Pursuit. It looks like this:
Scotties do not do that. Instead they crouch and watch where the prey is heading, and then start out on a straight line to that place aiming to hit the prey on the head or neck.
This means the Scottie has a shorter run, and can bring down prey faster than itself. This sequence of Inga chasing Magnus shows this ability. Sorry some shots are blurred but they were moving so fast…!
god-and-dog.com 
Loved it Knew Scotties were hyper intelligent
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Brilliantly explained, loved the photos.
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