Dutch Bird Alerts
| 9 januari 2022 | ||
| 16:24 | GE | Hume's Leaf Warbler |
| 15:44 | ZH | Dusky Warbler |
| 15:24 | GR | Siberian Lesser Whitethroat |
| 12:45 | NH | Hume's Leaf Warbler |
| 12:15 | NH | Black Guillemot |
| 10:56 | FR | Great Bustard |
| 10:12 | ZH | Dusky Warbler |
| 10:09 | ZH | Western Swamphen |
| 09:56 | ZH | Dusky Warbler |
| 09:20 | UT | Pygmy Cormorant |
| 8 januari 2022 | ||
| 13:11 | NH | Black Guillemot |
| 12:15 | ZH | Dusky Warbler |
| 12:14 | FR | Great Bustard |
| 12:03 | DR | Black-bellied Dipper |
| 11:21 | ZH | Little Bunting |
| 11:13 | GE | Hume's Leaf Warbler |
| 10:42 | ZH | Dusky Warbler |
| 10:23 | ZL | Hume's Leaf Warbler |
| 10:19 | UT | Pygmy Cormorant |
| 09:37 | ZH | Western Swamphen |
| 7 januari 2022 | ||
| 14:51 | ZH | Siberian Lesser Whitethroat |
| 14:01 | FL | Lesser Scaup |
| 11:14 | ZH | Hume's Leaf Warbler |
| 10:30 | UT | Pygmy Cormorant |
| 10:28 | NH | Black Guillemot |
| 10:18 | ZH | Little Bunting |
| 09:40 | ZH | Dusky Warbler |
| 09:40 | GE | Hume's Leaf Warbler |
| 09:15 | ZH | Western Swamphen |
| 09:07 | NH | Glossy Ibis |
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