Dutch Bird Alerts
| 28 december 2021 | ||
| 14:27 | ZH | Little Bunting |
| 14:16 | ZH | Bohemian Waxwing |
| 14:00 | DR | Black-bellied Dipper |
| 13:11 | NH | Siberian Lesser Whitethroat |
| 13:11 | ZH | Western Swamphen |
| 13:06 | FL | Lesser Scaup |
| 11:55 | DR | White-throated Dipper |
| 11:42 | GE | Hume's Leaf Warbler |
| 11:20 | FR | Great Bustard |
| 11:13 | NH | Black Guillemot |
| 10:47 | NH | Glossy Ibis |
| 09:59 | ZH | Black-bellied Dipper |
| 09:28 | FL | Pallas's Leaf Warbler |
| 09:24 | UT | Pygmy Cormorant |
| 27 december 2021 | ||
| 14:55 | ZH | Little Bunting |
| 14:54 | GE | Hume's Leaf Warbler |
| 14:26 | DR | Black-bellied Dipper |
| 14:23 | ZH | Dusky Warbler |
| 13:03 | NH | Black Guillemot |
| 12:05 | ZH | Black-bellied Dipper |
| 11:18 | ZH | Western Swamphen |
| 10:21 | ZH | Hume's Leaf Warbler |
| 09:44 | FR | Great Bustard |
| 09:44 | FL | Pallas's Leaf Warbler |
| 09:30 | UT | Pygmy Cormorant |
| 09:19 | ZH | Western Swamphen |
| 09:15 | NH | Siberian Lesser Whitethroat |
| 26 december 2021 | ||
| 16:23 | ZL | Ring-billed Gull |
| 13:48 | ZH | Little Bunting |
| 12:55 | NH | Black Guillemot |
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