All About Birds: Northeast US and Canada

Cornell Lab of Ornithology

Birding Nova Scotia

Allen, Charles R. K.; Phyllis R. Dobson

East Coast Seabirds: A Visual Guide to the Sea and Shore Birds of the Maritime Provinces

Domm, Jeffrey C.

All the Birds of Nova Scotia: Status & Critcal Identification

McLaren, Ian

Birds of Canada

Hoar, Tyler; De Smet, Ken; Kennedy, Gregory

ABA Regional Checklist: Eastern Canada