120181
While it was very acidic in the early years , since 1990 it has allowed the growth of a significant number of plant and insect species , as well as mallard and little grebe .
 animal: mallard
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: mallard 
Answer:
 animal: mallard