As new paperback. Second edition, revised and expanded. This authoritative guide to the occurrence and status of birds in Ontario provides concise information on 442 confirmed bird species recorded in the provice, and on 12 as yet unconfirmed. Completely updated, the list is organized by AOU order and nomenclature. As well as listing each species by common and scientific name, it indicates breeding status, seasonal distribution and abundance, dates of occurrence, breeding season as indicated by egg dates, and the subspecies found in Ontario.