Species: Mallard (Anas platyrhynchos)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Øyaveien 46, Fetsund | Akershus, Norway | 1 | 1 | 0 | 2019-01-20 | |
| Øyeren natureservat | Akershus, Norway | 4 | 1 | 0 | 2020-03-15 | |
| Øyrane | Vestland, Norway | 2 | 1 | 0 | 2013-04-21 | |
| Øysand | Trøndelag, Norway | 4 | 1 | 1 | 2003-09-10 | |
| Øystese | Vestland, Norway | 9 | 1 | 0 | 2024-01-28 | |
| Øystesefjøro | Vestland, Norway | 1 | 1 | 0 | 2020-01-28 | |
| Ågotnes | Vestland, Norway | 1 | 1 | 0 | 2021-02-01 | |
| åkraøynå,øystrand | Rogaland, Norway | 1 | 1 | 0 | 2022-02-03 | |
| Åkre | Vestland, Norway | 1 | 1 | 0 | 2018-01-27 | |
| Ålgårdsveien 26 | Rogaland, Norway | 1 | 1 | 0 | 2024-01-20 | |
| Årenesskogen | Agder, Norway | 1 | 1 | 0 | 2024-01-28 | |
| Åros | Agder, Norway | 1 | 1 | 0 | 2020-01-27 | |
| Åsaveien 668 | Buskerud, Norway | 3 | 1 | 0 | 2022-01-30 | |
| Åshøgdvegen 620 | Innlandet, Norway | 1 | 1 | 0 | 2017-01-22 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 2007-06-06 | |
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