| Observation date (beginning) | Species | Count | Observation location | Status |
| 28.04 2026 | Aythya fuligula (Tufted Duck) | 4 | Pärnu maakond, Saarde vald, Oissaare küla | unconfirmed |
| 28.04 2026 | Mergus merganser (Common Merganser) | 2 | Pärnu maakond, Saarde vald, Oissaare küla | unconfirmed |
| 28.04 2026 | Anthus trivialis (Tree Pipit) | 1 | Pärnu maakond, Saarde vald, Oissaare küla | unconfirmed |
| 27.04 2026 | Tetrao urogallus (Western Capercaillie) | 1 | Harju maakond, Kuusalu vald, Kolga alevik | unconfirmed |
| 25.04 2026 | Cygnus cygnus (Whooper Swan) | | Tartu maakond, Tartu vald, Kämara küla | confirmed |
| 23.04 2026 | Chloris chloris (European Greenfinch) | 2 | Tartu maakond, Tartu linn, Tartu linn | confirmed |
| 23.04 2026 | Linaria cannabina (Common Linnet) | 10 | Tartu maakond, Tartu linn, Tartu linn | unconfirmed |
| 23.04 2026 | Linaria cannabina (Common Linnet) | 1 | Tartu maakond, Tartu linn, Tartu linn | unconfirmed |
| 21.04 2026 | Tetrao urogallus (Western Capercaillie) | 1 | Pärnu maakond, Saarde vald, Lodja küla | unconfirmed |
| 21.04 2026 | Circus aeruginosus (Western Marsh Harrier) | 1 | Viljandi maakond, Põhja-Sakala vald, Punaküla | unconfirmed |
| 21.04 2026 | Tetrao urogallus (Western Capercaillie) | 1 | Pärnu maakond, Saarde vald, Sigaste küla | unconfirmed |
| 21.04 2026 | Circus aeruginosus (Western Marsh Harrier) | 3 | Harju maakond, Maardu linn | unconfirmed |
| 19.04 2026 | Gallinula chloropus (Common Moorhen) | | | unconfirmed |
| 19.04 2026 | Fulica atra (Eurasian Coot) | | | unconfirmed |
| 19.04 2026 | Podiceps cristatus (Great Crested Grebe) | 20 | | unconfirmed |
| 19.04 2026 | Mareca strepera (Gadwall) | 10 | | unconfirmed |
| 19.04 2026 | Larus argentatus (Herring Gull) | | | unconfirmed |
| 19.04 2026 | Chroicocephalus ridibundus (Black-headed Gull) | | | unconfirmed |
| 18.04 2026 | Coloeus monedula (Western Jackdaw) | | Harju maakond, Tallinn, Haabersti linnaosa | unconfirmed |
| 18.04 2026 | Garrulus glandarius (Eurasian Jay) | 1 | Tartu maakond, Kastre vald, Ahunapalu küla | unconfirmed |
| 18.04 2026 | Phylloscopus collybita (Common Chiffchaff) | 1 | Tartu maakond, Kastre vald, Ahunapalu küla | unconfirmed |
| 17.04 2026 | Somateria mollissima (Common Eider) | 4 | | unconfirmed |
| 17.04 2026 | Mergus merganser (Common Merganser) | | | unconfirmed |
| 17.04 2026 | Emberiza citrinella (Yellowhammer) | | Harju maakond, Tallinn, Põhja-Tallinna linnaosa | unconfirmed |
| 15.04 2026 | Podiceps auritus (Horned Grebe) | 1 | Harju maakond, Harku vald, Harku alevik | unconfirmed |
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