Dutch Bird Alerts
| 25 maart 2021 | ||
| 12:50 | OV | American Wigeon |
| 11:15 | GE | Lesser Scaup |
| 06:46 | NH | Black Guillemot |
| 24 maart 2021 | ||
| 13:45 | OV | American Wigeon |
| 12:53 | NH | Black Guillemot |
| 12:14 | GE | Hume's Leaf Warbler |
| 11:26 | GE | Lesser Scaup |
| 23 maart 2021 | ||
| 17:10 | FL | Glossy Ibis |
| 14:26 | GE | Hume's Leaf Warbler |
| 12:00 | LI | Little Bunting |
| 09:55 | NH | Black Guillemot |
| 09:31 | GE | White-throated Dipper |
| 22 maart 2021 | ||
| 16:24 | GE | Hume's Leaf Warbler |
| 12:02 | OV | American Wigeon |
| 11:45 | NH | Black Guillemot |
| 11:00 | LI | Little Bunting |
| 21 maart 2021 | ||
| 12:17 | GE | Hume's Leaf Warbler |
| 11:55 | NH | Black Guillemot |
| 11:17 | OV | American Wigeon |
| 10:17 | LI | Little Bunting |
| 20 maart 2021 | ||
| 14:50 | LI | Little Bunting |
| 11:23 | GE | Hume's Leaf Warbler |
| 10:44 | FR | American Wigeon |
| 10:21 | OV | American Wigeon |
| 09:01 | NH | Black Guillemot |
| 19 maart 2021 | ||
| 13:06 | NH | Black Guillemot |
| 10:55 | ZH | Dartford Warbler |
| 09:39 | GE | Hume's Leaf Warbler |
| 07:01 | OV | American Wigeon |
| 18 maart 2021 | ||
| 15:07 | OV | American Wigeon |
Siberische Boompieper
Anthus hodgsoni · Olive-backed Pipit
Datum & Tijd
18-10-2021 10:13
Locatie
| Atlasblok | ZH · 30-16-53 |
|---|---|
| GPS | 52.21416 4.40314 |
| RD | 87.747 470.019 |
| Katwijk Noordduinen |
Tijd & Gedrag
Onbekend
Zekerheid
Determinatie zeker, geen kleedgegevens
Gehoord via
waarneming.nl
Extra informatie
1 ex. overvliegend zuid
3x roepend en mooi dichtbij langsvliegend. Zwaar gestreepte borst, contrastrijk koppatroon en donkergroene rug met diffuse streping.
Gegevens 1e roep: Mean starting frequency = 7.90, Gradient (kHz/s) = 12.70, Parameter 1 = 102.00, Duration of one modulation = 10.20, Parameter 2 = 1040.00
Gegevens 2e roep: Mean starting frequency = 7.70, Gradient (kHz/s) = 10.50, Parameter 1 = 80.00, Duration of one modulation = 9.30, Parameter 2 = 750.00
Waargenomen door:
Gijsbert Twigt