¶ Strix aluco
¶ Bosuil (Tawny owl)
Birds
¶ Why this species, in the context of the Amsterdamse Bos
Named in the Bosplan among the breeding owls of the Bos. Strictly nocturnal, calls from dusk onwards. Cavity-nester — its presence depends on the Bos's deadwood-retention policy keeping older trees standing long enough to develop hollows.
¶ Facts from the graph
| Total observations in the Bos | 588 |
| First recorded | 1961-06-25 |
| Last recorded | 2026-05-20 |
| Max rarity tier | 2 — uncommon |
¶ Top sub-locations within the Bos
- Amsterdamse Bos - Heuvel / Manege — 115 observations
- Amsterdamse Bos — 86 observations
- Amsterdamse Bos - Bosbaan / Duizendmeterweg — 62 observations
- Amsterdamse Bos - Kleine Kinderbad — 49 observations
- Amsterdamse Bos - Bosbaan - Duizendmeterweg — 42 observations
¶ Explore
- View this species on the Bos map → (all observations, plotted geographically)
- Species page on waarneming.nl
- Bos-filtered observation list on waarneming.nl
- One example observation
Data derived from 136,107 waarneming.nl observations at location 5013 (Amsterdamse Bos), scraped May 2026. Bos-context text: manually composed from the Bosplan 2020–2030, amsterdamsebos.nl, and the existing Het Onzichtbare Zichtbaar dossiers.