Doddy,
If the creature is a small, active one (e.g. finch) it will have a metabolism designed for that sort of action. On the other hand, a large, slow creature (e.g. a tortoise) will have different metabolism again
And yet a tortoise has more similar sequences to a bird than a small mammal with a high metabolism. Exactly what you
wouldn't expect, but I would.
Mark
There are 10 kinds of people in this world; those that understand binary, & those that don't