The credits are shown on a restaurant bill, as befits the title, "Bill of Hare," which is a pun on bill of fare.
Both Bugs and Taz break the fourth wall.
The total for the bill of fare shown in the opening credits is $103.16...for carrots!
In real life, Tasmanian Devils are indeed carnivores, though moose do not live in their natural habitat.
In real life, the Tasmanian Devil is a somewhat shy nocturnal creature. It resembles a small dog, usually with a dark coat and a patch of light fur on its chest area.