Ancient Aztecs of Mexico used a rabbit scale to measure what?

Question
What is special about the hooded pitohui bird (New Guinea)?
Answer
It’s highly poisonous

Question
What was Didus Ineptus better known as?
Answer
The Dodo

Question
What are Arran Pilot Homeguard and Ulster Chieftain?
Answer
Early types of Potato

Question
Beagles were a hunting dog bred to hunt what?
Answer
Hares