GENERAL DESCRIPTION OF AUTUMN MIGRATION & ATTACHMENT TO THE NESTING PLACE OF PASSERIFORMES PASSERINE BIRDS IN THE MIDDLE REACHES OF THE TOM RIVER

Abstract

The paper examines the general characteristics of autumn passerine migration in the middle reaches of the Tom valley. The data on mass migration periods is provided for the most numerous species. The ratio of ringed birds returns is assessed.

Keywords

• ornithology
• migration
• birdbanding
• passeriformes