It is rats
A group of grackles is called a "plague" or a "plague of grackles".
Plague is caused by a bacteria. Bacteria are not animals.
locusts
The Jews (who were blamed for the plague).
novel
a plague of locust
The Jews.
A group of locusts is called a plague of locusts.
traders
The genre is a novel and the culture is Latin.
yes,you can get the bubonic plague from animals if you ever get really get close to an animal that is sick.Back then they called it the Black Death witch killed lots of people.
Frank Fenner