For the article Measurement of relative bill length of Black-tailed Godwits from photographs by Jan Bisschop (Dutch Birding 43 (2): 113-119, 2021), a large number of photographs on the internet has been analysed. A list of the links can be downloaded here.
Dutch Bird Alerts
7 oktober 2024 | ||
14:24 | NH | Kleine Topper |
14:21 | NH | Ringsnaveleend |
11:50 | GE | Gestreepte Strandloper |
10:52 | NH | Grote Grijze Snip |
10:11 | FR | Dwerggors |
09:59 | FR | Sperwergrasmus |
09:33 | NH | Grijze Wouw |
08:44 | NH | Amerikaanse Goudplevier |
08:28 | FR | Zwarte Zeekoet |
08:27 | NH | Bosgors |
6 oktober 2024 | ||
18:58 | NH | Ringsnaveleend |
18:52 | ZH | Roetvliegenvanger |
17:26 | NH | Bruine Klauwier |
16:37 | ZH | Dwerggors |
15:11 | NH | Grote Grijze Snip |
14:57 | NH | Bruine Klauwier |
14:13 | ZH | Kleine Vliegenvanger |
12:55 | ZL | Siberische Boompieper |
11:50 | FR | Dwerggors |
11:49 | NH | Amerikaanse Goudplevier |
11:13 | FR | Dwerggors |
10:46 | NH | Roze Spreeuw |
10:42 | ZL | Mongoolse Pieper |
10:35 | GE | Gestreepte Strandloper |
10:27 | NH | Ringsnaveleend |
10:03 | NH | Grijze Wouw |
09:37 | NH | Kleine Topper |
09:34 | NH | Dwerggors |
08:53 | FR | Siberische Boompieper |
08:34 | NH | Bosgors |