Rhoms Law IIRC
Animals of same species and genus need larger body mass the further north or south to the poles in order to retain heat.
Animals that are sub tropical or tropical of same type don't need large bodies to retain heat.
In time they become subspecies of the overall genus they belong too.
I probably fuuked that all up.
Kinda in a nutshell explanation I think
Not a biologist..
Signed
Just a Bwana....
😡😡🤷♂️😡😡[/quote]
You can also add the further inland too[I think]
