32693
Wetland impoundments are intensively managed to provide optimal habitat for the dense concentration of wintering waterfowl , as well as habitat for resident wildlife and spring / summer migrants .
 waterfowl
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:
 waterfowl