ORIGINAL: Greg / MO
For the same reason Candadian deer are larger... The phenomenon is known as Bergman's rule, whereraces of warm-blooded vertebrates from cooler climates tend to be larger than races of the same species in warmer climates.
And you guys thought I was just a pretty face!
Very impressive....I knew the idea, just not the name of it....glad to see someone did. Greg, what kind of degree do you have if you don't mind me asking?