Dutch Bird Alerts
| 6 januari 2022 | ||
| 14:48 | ZH | Dusky Warbler |
| 14:12 | GE | Hume's Leaf Warbler |
| 13:29 | FR | Great Bustard |
| 11:19 | NH | Black Guillemot |
| 10:55 | ZH | Dusky Warbler |
| 10:46 | ZH | Hume's Leaf Warbler |
| 10:45 | UT | Pygmy Cormorant |
| 10:03 | ZH | Black-bellied Dipper |
| 09:52 | ZL | Pallas's Leaf Warbler |
| 09:47 | ZH | White-throated Dipper |
| 09:40 | ZH | Western Swamphen |
| 09:14 | ZH | Dusky Warbler |
| 09:07 | ZH | Little Bunting |
| 5 januari 2022 | ||
| 17:35 | ZH | Greater Spotted Eagle |
| 13:47 | FR | Great Bustard |
| 12:34 | ZH | Hume's Leaf Warbler |
| 12:32 | DR | Black-bellied Dipper |
| 12:13 | NH | Black Guillemot |
| 11:15 | UT | Pygmy Cormorant |
| 10:37 | ZH | Dusky Warbler |
| 09:27 | NH | Glossy Ibis |
| 09:04 | ZH | Western Swamphen |
| 4 januari 2022 | ||
| 14:45 | GE | Hume's Leaf Warbler |
| 13:41 | DR | Black-bellied Dipper |
| 11:55 | NH | Black Guillemot |
| 11:52 | ZH | Western Swamphen |
| 11:40 | ZH | Little Bunting |
| 10:59 | ZH | Dusky Warbler |
| 10:20 | FL | Lesser Scaup |
| 09:59 | 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