128822
Primary food sources include sea mammals such as oogruk ( bearded seal ) , other seals and walrus , fish , birds ( such as ptarmigan ) , caribou and moose .
 bearded seal, walrus, moose
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 bearded seal, walrus, moose