Tea without a doubt. Coffee is undesirable black filth that puzzles me why people enjoy it.
C O F F E E ! ! ! ! ! !
The only invasive species in my area are deer, do not worry coyotes are taking care of them.
We have American signal crayfish in all the rivers here. It's actually an unwelcome introduction in a lot of US rivers too, I've just read. It's bad news for the resident European crayfish (but apparently quite good eating).