Spring phenology2016-04-17 Vigdis S. Nygaard Nordbytjernet (Akershus, Norway) | 2016-04-17 Arrival common goldeneye 2016-04-17 Arrival tufted duck |
Spring phenology2016-04-17 Vigdis S. Nygaard Nordbytjernet (Akershus, Norway) | 2016-04-17 Arrival great crested grebe 2016-04-17 Arrival white wagtail 2016-04-17 Arrival moorhen |
Spring phenology2008-04-23 Vigdis S. Nygaard Nordbytjernet (Akershus, Norway) | 2008-04-21 Arrival common coot |
Spring phenology2008-04-23 Vigdis S. Nygaard Nordbytjernet (Akershus, Norway) | 2008-04-21 Arrival great crested grebe |