Monitoring vodních ptáků v době migrace - duben 2023
celkem sečteno 53 mokřadních lokalit
zjištěno 12 050 jedinců 69 druhů vodních ptáků
| Cygnus olor | 83 | 335 |
| Anser albifrons | 2 | 14 |
| Anser anser | 64 | 889 |
| Alopochen aegyptiaca | 8 | 37 |
| Tadorna tadorna | 2 | 3 |
| Aix sponsa | 1 | 2 |
| Aix galericulata | 1 | 1 |
| Mareca strepera | 89 | 561 |
| Anas crecca | 13 | 112 |
| Anas platyrhynchos | 165 | 1702 |
| Anas acuta | 1 | 1 |
| Spatula querquedula | 15 | 66 |
| Spatula clypeata | 14 | 124 |
| Netta rufina | 26 | 141 |
| Aythya ferina | 50 | 1025 |
| Aythya nyroca | 3 | 4 |
| Aythya fuligula | 52 | 1120 |
| Bucephala clangula | 35 | 106 |
| Mergellus albellus | 1 | 2 |
| Mergus merganser | 6 | 18 |
| Gavia stellata | 1 | 12 |
| Tachybaptus ruficollis | 16 | 42 |
| Podiceps cristatus | 63 | 467 |
| Phalacrocorax carbo | 27 | 192 |
| Microcarbo pygmeus | 1 | 2 |
| Nycticorax nycticorax | 1 | 32 |
| Egretta garzetta | 1 | 1 |
| Ardea alba | 13 | 32 |
| Ardea cinerea | 76 | 198 |
| Ciconia nigra | 6 | 6 |
| Ciconia ciconia | 3 | 5 |
| Gallinula chloropus | 10 | 29 |
| Fulica atra | 75 | 574 |
| Grus grus | 4 | 10 |
| Charadrius dubius | 7 | 19 |
| Vanellus vanellus | 6 | 16 |
| Philomachus pugnax | 4 | 172 |
| Gallinago gallinago | 3 | 3 |
| Lymnocryptes minimus | 1 | 1 |
| Tringa totanus | 2 | 4 |
| Tringa nebularia | 2 | 8 |
| Tringa ochropus | 6 | 7 |
| Tringa glareola | 5 | 134 |
| Actitis hypoleucos | 3 | 5 |
| Limicolae indet. | 1 | 1 |
| Ichthyaetus melanocephalus | 1 | 2 |
| Hydrocoleus minutus | 2 | 43 |
| Chroicocephalus ridibundus | 22 | 2927 |
| Larus canus | 3 | 51 |
| Larus argentatus | 1 | 79 |
| Larus cachinnans | 19 | 394 |
| Larus cachinans/argentatus | 2 | 11 |
| Sterna caspia | 1 | 2 |
| Sterna hirundo | 12 | 86 |
| Milvus milvus | 3 | 3 |
| Haliaeetus albicilla | 9 | 14 |
| Circus aeruginosus | 19 | 49 |
| Pandion haliaetus | 2 | 2 |
| Alcedo atthis | 8 | 16 |
| Anthus pratensis | 3 | 11 |
| Motacilla flava | 1 | 5 |
| Motacilla cinerea | 7 | 25 |
| Motacilla alba | 18 | 59 |
| Cinclus cinclus | 3 | 4 |
| Luscinia svecica | 1 | 2 |
| Locustella luscinioides | 4 | 5 |
| Acrocephalus schoenobaenus | 4 | 7 |
| Acrocephalus palustris | 1 | 1 |
| Acrocephalus arundinaceus | 1 | 2 |
| Panurus biarmicus | 1 | 3 |
| Emberiza schoeniclus | 5 | 12 |