Dutch Bird Alerts
| 31 oktober 2021 | ||
| 13:46 | FR | Red-breasted Flycatcher |
| 13:17 | FL | Lesser Scaup |
| 12:58 | NH | Sabine's Gull |
| 12:19 | NH | Humpback Whale |
| 11:39 | NH | Black Guillemot |
| 11:37 | FR | Dusky Warbler |
| 10:35 | NH | Glossy Ibis |
| 10:22 | ZH | Black-eared Kite |
| 09:57 | UT | Pygmy Cormorant |
| 09:53 | FR | Pallas's Leaf Warbler |
| 09:32 | NH | Dartford Warbler |
| 09:25 | ZL | Eastern Olivaceous Warbler |
| 08:30 | NH | Dusky Warbler |
| 08:08 | FR | Dusky Warbler |
| 07:33 | ZL | Olive-backed Pipit |
| 30 oktober 2021 | ||
| 16:57 | FR | Dusky Warbler |
| 13:55 | UT | Pygmy Cormorant |
| 13:20 | ZH | Black-eared Kite |
| 12:36 | ZH | Black-eared Kite |
| 12:17 | ZL | Glossy Ibis |
| 09:52 | NH | Atlantic Dartford Warbler |
| 09:47 | NH | Glossy Ibis |
| 09:45 | ZH | Black-eared Kite |
| 09:32 | NH | Humpback Whale |
| 09:26 | NH | Walrus |
| 09:11 | ZL | Eastern Olivaceous Warbler |
| 09:10 | ZL | Eastern Olivaceous Warbler |
| 08:55 | FR | Little Bunting |
| 29 oktober 2021 | ||
| 17:56 | NB | Pallas's Sandgrouse |
| 15:47 | ZH | Black-eared 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