Canada: some Eastern birds

Red-breasted Nuthatch:

Rose-breasted Grosbeak:

Baltimore Oriole. The last one I saw was in Headington, Oxford:

Downy Woodpecker:

Red-eyed Vireo:

Palm Warbler:

Black and White Warbler:

 American Redstart:

Myrtle Yellow-rumped Warbler:

Eastern Screech Owl:

Black-throated Green Warbler:

Yellow Warbler:

Chestnut-sided Warbler:

Swainson's Thrush:

 Black-throated Blue Warbler:

Dunlin. 

 Red-headed Woodpecker. Appropriately named:

Worm-eating Warbler. Not so:

Ring-billed Gull, at Niagra Falls. There were a whole bunch of people looking over a wall at some water too, but obviously my focus was on the Gulls: