Unusual late mass occurrence of the Common Swift (Apus apus (Linnaeus, 1758)) (Aves: Apodidae) in Sofia (Bulgaria)
An observation of about 120 Common Swifts over the central part of the Sofia City on 15 October is reported.
Main Author: | |
---|---|
Format: | Article in Journal/Newspaper |
Language: | Bulgarian English |
Published: |
Plovdiv University
2012
|
Subjects: | |
Online Access: | https://doaj.org/article/4a5e98f428d94dc8b84945d412ae1c2a |
Summary: | An observation of about 120 Common Swifts over the central part of the Sofia City on 15 October is reported. |
---|