Dutch Bird Alerts
| 18 oktober 2021 | ||
| 11:46 | NH | Walrus |
| 11:00 | NH | Red-flanked Bluetail |
| 10:48 | LG | White-throated Dipper |
| 10:31 | NH | Daurian Shrike |
| 10:13 | ZH | Olive-backed Pipit |
| 10:05 | FR | Sabine's Gull |
| 09:27 | NH | Red-flanked Bluetail |
| 08:39 | NH | Greater Sand Plover |
| 08:23 | FR | Black Scoter |
| 17 oktober 2021 | ||
| 18:10 | NH | American Golden Plover |
| 17:48 | FR | Siberian Lesser Whitethroat |
| 17:04 | UT | Pygmy Cormorant |
| 15:25 | FR | Black Scoter |
| 14:22 | FR | Sabine's Gull |
| 14:04 | NH | Sabine's Gull |
| 13:55 | ZL | Glossy Ibis |
| 12:38 | ZL | Zitting Cisticola |
| 11:58 | ZH | Pallas's Leaf Warbler |
| 10:47 | FR | Arctic Warbler |
| 10:44 | FR | Two-barred Warbler |
| 10:31 | NH | Daurian Shrike |
| 10:20 | NH | Red-flanked Bluetail |
| 10:20 | ZH | Red-flanked Bluetail |
| 10:08 | NH | Glossy Ibis |
| 09:30 | NH | Greater Sand Plover |
| 08:43 | NH | Sabine's Gull |
| 16 oktober 2021 | ||
| 17:32 | ZH | Red-flanked Bluetail |
| 16:45 | FR | Black Scoter |
| 16:18 | NH | American Golden Plover |
| 14:49 | FR | Black-winged Kite |
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