Dutch Bird Alerts
| 19 december 2021 | ||
| 13:00 | NH | Black Guillemot |
| 11:46 | GE | Hume's Leaf Warbler |
| 11:36 | NH | Siberian Lesser Whitethroat |
| 11:19 | FR | Little Bunting |
| 11:12 | ZH | Hume's Leaf Warbler |
| 10:47 | NH | Dartford Warbler |
| 10:25 | FL | Pallas's Leaf Warbler |
| 10:07 | ZL | Glossy Ibis |
| 09:48 | NH | Dartford Warbler |
| 09:04 | ZH | Dusky Warbler |
| 08:59 | ZL | Eastern Olivaceous Warbler |
| 08:46 | ZH | Black-bellied Dipper |
| 08:34 | ZH | Western Swamphen |
| 18 december 2021 | ||
| 14:29 | UT | Pygmy Cormorant |
| 12:27 | NH | Siberian Lesser Whitethroat |
| 12:21 | FL | Pallas's Leaf Warbler |
| 11:51 | GE | Hume's Leaf Warbler |
| 11:23 | DR | Black-bellied Dipper |
| 11:01 | ZH | Hume's Leaf Warbler |
| 11:00 | NH | Glossy Ibis |
| 10:59 | ZL | Zitting Cisticola |
| 10:37 | ZH | Dusky Warbler |
| 10:31 | NH | Dartford Warbler |
| 09:39 | ZL | Glossy Ibis |
| 09:37 | ZL | Eastern Olivaceous Warbler |
| 09:06 | ZH | Western Swamphen |
| 17 december 2021 | ||
| 15:38 | ZL | Glossy Ibis |
| 14:25 | NH | Atlantic Dartford Warbler |
| 14:21 | ZH | Western Swamphen |
| 12:44 | ZL | Zitting Cisticola |
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