Wish I had seen this post a year ago.
Well, in case you (or others) are still interested, here is the list of birds people have seen at Green Lake and logged to eBird (some of the waterfowl are domesticated; some of the laughingthrushes are caged birds):
Waterfowl
Mallard Anas platyrhynchos
Indian Spot-billed Duck Anas poecilorhyncha
Eastern Spot-billed Duck Anas zonorhyncha
Garganey Anas querquedula
Herons, Ibis, and Allies
Gray Heron Ardea cinerea
Little Egret Egretta garzetta
Cattle Egret Bubulcus ibis
Chinese Pond-Heron Ardeola bacchus
Vultures, Hawks, and Allies
Black Kite Milvus migrans
Rails, Gallinules, and Allies
Eurasian Moorhen Gallinula chloropus
Gulls, Terns, and Skimmers
Black-headed Gull Chroicocephalus ridibundus
Pigeons and Doves
Rock Pigeon Columba livia
Oriental Turtle-Dove Streptopelia orientalis
Eurasian Collared-Dove Streptopelia decaocto
Spotted Dove Streptopelia chinensis
Swifts
Himalayan Swiftlet Aerodramus brevirostris
House Swift Apus nipalensis
Asian Palm-Swift Cypsiurus balasiensis
Hoopoes
Eurasian Hoopoe Upupa epops
Kingfishers
Common Kingfisher Alcedo atthis
Shrikes
Burmese Shrike Lanius collurioides
Drongos
Black Drongo Dicrurus macrocercus
Fantails
White-throated Fantail Rhipidura albicollis
Jays, Magpies, Crows, and Ravens
Eurasian Jay Garrulus glandarius
Azure-winged Magpie Cyanopica cyanus
Eurasian Magpie Pica pica
Martins and Swallows
Barn Swallow Hirundo rustica
Penduline-Tits and Long-tailed Tits
Black-throated Tit Aegithalos concinnus
Bulbuls
Black-headed Bulbul Pycnonotus atriceps
Red-whiskered Bulbul Pycnonotus jocosus
Brown-breasted Bulbul Pycnonotus xanthorrhous
Sooty-headed Bulbul Pycnonotus aurigaster
Leaf Warblers
Pallas's Leaf Warbler Phylloscopus proregulus
Yellow-browed Warbler Phylloscopus inornatus
Blyth's/Claudia's/Hartert's Leaf Warbler Phylloscopus reguloides/claudiae/goodsoni
Cisticolas and Allies
Plain Prinia Prinia inornata
White-eyes, Yuhinas, and Allies
Oriental White-eye Zosterops palpebrosus
Japanese White-eye Zosterops japonicus
Laughingthrushes and Allies
Greater Necklaced Laughingthrush Ianthocincla pectoralis
Black-throated Laughingthrush Ianthocincla chinensis
White-browed Laughingthrush Ianthocincla sannio
Blue-winged Minla Actinodura cyanouroptera
Old World Flycatchers
Oriental Magpie-Robin Copsychus saularis
Snowy-browed Flycatcher Ficedula hyperythra
Siberian Stonechat Saxicola maurus
Thrushes
Chinese Blackbird Turdus mandarinus
Starlings and Mynas
Red-billed Starling Spodiopsar sericeus
Crested Myna Acridotheres cristatellus
Wagtails and Pipits
Citrine Wagtail Motacilla citreola
Gray Wagtail Motacilla cinerea
White Wagtail Motacilla alba
Finches, Euphonias, and Allies
Oriental Greenfinch Chloris sinica
Yellow-billed Grosbeak Eophona migratoria
Old World Sparrows
Eurasian Tree Sparrow Passer montanus
ebird.org/ebird/hotspot/L957929