© Marcel Burkhardt
Vogelwarte
Swiss Ornithological Institute
Seerose 1
CH-6204 Sempach
Switzerland
Tel. 041 462 97 00
Fax. 041 462 97 10
Contact: E-Mail
Account for donations: PC 60-2316-1
© Marcel Burkhardt
Swiss Ornithological Institute
Seerose 1
CH-6204 Sempach
Switzerland
Tel. 041 462 97 00
Fax. 041 462 97 10
Contact: E-Mail
Account for donations: PC 60-2316-1