83120
A combination of traits make it unique among its kind ; it is the world 's only flightless parrot , the heaviest parrot , nocturnal , herbivorous , visibly sexually dimorphic in body size , has a low basal metabolic rate and no male parental care , and is the only parrot to have a polygynous lek breeding system .
 animal: parrot
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: parrot 
Answer:
 animal: parrot