Dutch Bird Alerts
| 12 januari 2022 | ||
| 12:32 | ZL | Hume's Leaf Warbler |
| 12:15 | ZH | Hume's Leaf Warbler |
| 10:44 | UT | Pygmy Cormorant |
| 10:42 | ZH | Western Swamphen |
| 11 januari 2022 | ||
| 11:54 | ZH | Dusky Warbler |
| 11:47 | FR | White-throated Dipper |
| 11:27 | FR | Great Bustard |
| 11:15 | UT | Pygmy Cormorant |
| 11:03 | ZH | Western Swamphen |
| 11:00 | NH | Hume's Leaf Warbler |
| 10:59 | NH | Black Guillemot |
| 10:26 | GE | Hume's Leaf Warbler |
| 09:16 | FL | Hume's Leaf Warbler |
| 10 januari 2022 | ||
| 16:45 | ZH | Dusky Warbler |
| 15:06 | ZH | Greater Spotted Eagle |
| 14:03 | ZH | Hume's Leaf Warbler |
| 13:34 | NH | Black Guillemot |
| 13:31 | FL | Hume's Leaf Warbler |
| 12:05 | FR | Great Bustard |
| 11:47 | ZH | Western Swamphen |
| 11:29 | ZH | Little Bunting |
| 11:03 | NH | Black Guillemot |
| 11:01 | UT | Pygmy Cormorant |
| 11:00 | GE | Hume's Leaf Warbler |
| 10:42 | ZH | Dusky Warbler |
| 09:51 | NH | Hume's Leaf Warbler |
| 9 januari 2022 | ||
| 21:09 | ZL | Spotted Sandpiper |
| 16:55 | NH | Humpback Whale |
| 16:55 | ZH | Little Bunting |
| 16:25 | ZL | Hume's Leaf Warbler |
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