77440
The two remaining " monochrome " species , Mekong and African pied wagtail may be closely related , or a most striking example of convergent evolution .
 animal: Mekong; animal: African pied wagtail
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: Mekong, African pied wagtail 
Answer:
 animal: Mekong; animal: African pied wagtail