This was my Big Day, on foot through Prospect, Green-Wood, and then down to Bush Terminal Park. Train to park, bus home. In chronological order.
Yard Birds: seen from apartment or on way to subway
House Sparrow
Starling
Rock Pigeon
Osprey (on nest)
Chimney Swift
Herring Gull
American Robin
Blue Jay
In Prospect Park:
Gray Catbird
Mourning Dove
Northern Cardinal
Yellow-rumped Warbler
Ovenbird
Yellow-billed Cuckoo (thanks to Dennis, Kristin, Bobbi)
Baltimore Oriole
Rose-breasted Grosbeak
Common Yellowthroat (m&f)
Magnolia Warbler
Chestnut-sided Warbler
Veery
Bay-breasted Warbler
Black & White Warbler
Warbling Vireo
House Wren
Red-bellied Woodpecker
Common Grackle
Black-throated Green Warbler
Downy Woodpecker
Red-winged Blackbird
Green Heron
Mallard
Northern Waterthrush
Spotted Sandpiper
American Redstart
Laughing Gull
Barn Swallow
Belted Kingfisher
Northern Flicker
Black-throated Blue Warbler
Northern Parula
Blackburnian Warbler
Blackpoll Warbler
Common Nighthawk (Thanks to Monica)
White-throated Sparrow
In Green-Wood:
Northern Mockingbird
Canada Goose
Great Egret
Red-tailed Hawk (3 at once)
Swainson’s Thrush
Scarlet Tanager
Chipping Sparrow
Eastern Kingbird
Monk Parakeet
Bush Terminal and surrounds:
Crow (American or Fish)
Raven
Double Crested Cormorant
Brant
Ring-billed Gull
Mute Swan
Not that the day’s over…
Backyard and Beyond 
That looks to be a fantastic day. I’m sad that the spring migrants have already flown through here on the Texas Gulf Coast.
But what a great coast for birds in season!
Grass is always greener… 😀