Dutch Bird Alerts
| 4 november 2021 | ||
| 12:12 | GE | Two-barred Crossbill |
| 10:39 | NH | Atlantic Dartford Warbler |
| 10:11 | ZL | Eastern Olivaceous Warbler |
| 08:18 | UT | Pygmy Cormorant |
| 07:44 | NH | Glossy Ibis |
| 3 november 2021 | ||
| 12:55 | NH | Siberian Lesser Whitethroat |
| 11:33 | ZH | Black-eared Kite |
| 11:32 | ZH | Olive-backed Pipit |
| 11:24 | LI | Dusky Warbler |
| 10:42 | ZL | Glossy Ibis |
| 10:26 | NH | Glossy Ibis |
| 10:23 | FR | Pallas's Leaf Warbler |
| 10:20 | ZH | Olive-backed Pipit |
| 10:01 | UT | Pygmy Cormorant |
| 09:46 | ZL | Zitting Cisticola |
| 09:44 | NH | Dartford Warbler |
| 08:45 | ZH | Dusky Warbler |
| 08:19 | ZH | Little Bunting |
| 2 november 2021 | ||
| 17:04 | NH | Greenland White-fronted Goose |
| 14:59 | NH | Desert Wheatear |
| 12:48 | NH | Desert Wheatear |
| 12:33 | NH | Desert Wheatear |
| 11:22 | ZH | Dusky Warbler |
| 10:57 | ZH | Black-eared Kite |
| 10:55 | NH | Walrus |
| 10:27 | NH | Glossy Ibis |
| 10:06 | NH | Dartford Warbler |
| 09:21 | UT | Pygmy Cormorant |
| 1 november 2021 | ||
| 13:35 | FR | Red-breasted Flycatcher |
| 13:31 | NH | Dartford 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