Dutch Bird Alerts
| 12 december 2021 | ||
| 09:55 | FL | Pallas's Leaf Warbler |
| 09:35 | ZL | Eastern Olivaceous Warbler |
| 09:26 | ZH | Dusky Warbler |
| 09:12 | ZL | Glossy Ibis |
| 08:57 | ZH | Siberian Lesser Whitethroat |
| 11 december 2021 | ||
| 16:15 | FL | Pallas's Leaf Warbler |
| 16:13 | NH | Glossy Ibis |
| 15:54 | NH | Black Guillemot |
| 14:38 | UT | Pygmy Cormorant |
| 14:26 | DR | Black-bellied Dipper |
| 14:13 | NH | Siberian Lesser Whitethroat |
| 13:41 | ZL | Zitting Cisticola |
| 13:06 | NH | Black Guillemot |
| 12:15 | GR | Taiga Bean Goose |
| 12:06 | ZL | Eastern Olivaceous Warbler |
| 10:39 | GE | Hume's Leaf Warbler |
| 09:52 | ZH | Siberian Lesser Whitethroat |
| 09:36 | GR | Caspian Plover |
| 09:13 | ZL | Glossy Ibis |
| 08:46 | ZH | Dusky Warbler |
| 10 december 2021 | ||
| 14:45 | ZL | Glossy Ibis |
| 14:01 | DR | White-throated Dipper |
| 13:32 | GE | Hume's Leaf Warbler |
| 12:13 | NH | Siberian Lesser Whitethroat |
| 11:44 | ZH | Dusky Warbler |
| 09:58 | UT | Pygmy Cormorant |
| 09:54 | GR | Ring-necked Duck |
| 09:53 | GR | Caspian Plover |
| 09:30 | ZH | Siberian Lesser Whitethroat |
| 9 december 2021 | ||
| 14:36 | GR | Taiga Bean Goose |
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