Dutch Bird Alerts
| 26 oktober 2021 | ||
| 16:49 | NH | Pallid Swift |
| 14:23 | NH | Rosy Starling |
| 12:06 | NH | Daurian Shrike |
| 11:35 | NH | Walrus |
| 11:26 | LI | White-throated Dipper |
| 10:38 | NH | Sabine's Gull |
| 10:03 | NH | Glossy Ibis |
| 10:01 | ZL | Baltic Gull |
| 09:16 | ZL | Eastern Olivaceous Warbler |
| 08:42 | UT | Pygmy Cormorant |
| 08:14 | NB | Black-winged Kite |
| 25 oktober 2021 | ||
| 15:31 | NB | Black-winged Kite |
| 14:39 | LI | White-throated Dipper |
| 13:58 | UT | Pygmy Cormorant |
| 13:41 | NH | Daurian Shrike |
| 13:30 | NH | Glossy Ibis |
| 13:14 | NH | Walrus |
| 10:49 | GR | Pallas's Leaf Warbler |
| 10:47 | NH | Cream-colored Courser |
| 10:45 | NH | British Storm Petrel |
| 09:49 | ZL | Eastern Olivaceous Warbler |
| 08:49 | GR | Pine Bunting |
| 24 oktober 2021 | ||
| 21:36 | NH | Cream-colored Courser |
| 15:44 | NH | Black Guillemot |
| 15:24 | NB | Black-winged Kite |
| 14:47 | LI | White-throated Dipper |
| 14:21 | NH | Little Bunting |
| 13:47 | FR | Yellow-billed Loon |
| 13:33 | NH | Olive-backed Pipit |
| 13:23 | ZH | Cattle Egret |
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