Zur feldornithologischen Unterscheidung von Fahlsegler (Apus pallidus) und Mauersegler (Apus apus)

von Werner Hirschi

Bibliographic Details
Main Author: Hirschi
Format: Text
Language:German
Published: 1987
Subjects:
Online Access:http://nbn-resolving.org/urn:nbn:de:hebis:30:4-181278
http://nbn-resolving.de/urn:nbn:de:hebis:30:4-181278
Description
Summary:von Werner Hirschi