93635
They are the greater yellowlegs , mallard duck , least sandpiper , great egret , snowy egret , herring gull , great black-backed gull , osprey , Canada goose , tree swallow , gray catbird , killdeer , glossy ibis , red-winged blackbird , northern mockingbird , least tern , piping plover and peregrine falcon .
 great egret, snowy egret, great black-backed gull, osprey, Canada goose, tree swallow, killdeer, red-winged blackbird, least tern, piping plover, peregrine falcon
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:
 great egret, snowy egret, great black-backed gull, osprey, Canada goose, tree swallow, killdeer, red-winged blackbird, least tern, piping plover, peregrine falcon