Dutch Bird Alerts
| 29 september 2021 | ||
| 20:06 | NH | Sabine's Gull |
| 17:34 | ZH | Sabine's Gull |
| 17:07 | NH | White-rumped Sandpiper |
| 16:16 | NH | Greater Sand Plover |
| 15:59 | ZL | Glossy Ibis |
| 15:23 | ZH | Balearic Shearwater |
| 12:14 | ZL | Pectoral Sandpiper |
| 08:39 | NH | Glossy Ibis |
| 28 september 2021 | ||
| 19:02 | ZL | Glossy Ibis |
| 17:19 | NH | White-rumped Sandpiper |
| 16:31 | FL | Lesser Spotted Eagle |
| 14:26 | ZL | Zitting Cisticola |
| 12:48 | GE | Bearded Vulture |
| 12:06 | FR | Red-breasted Flycatcher |
| 11:21 | NH | Little Bunting |
| 09:28 | NH | Glossy Ibis |
| 08:35 | ZL | Alpine Swift |
| 27 september 2021 | ||
| 13:50 | GE | Bearded Vulture |
| 11:15 | NH | White-rumped Sandpiper |
| 10:58 | ZL | Zitting Cisticola |
| 10:26 | GE | Golden Eagle |
| 09:55 | NH | Glossy Ibis |
| 08:40 | ZL | Glossy Ibis |
| 08:14 | FR | Daurian Shrike |
| 07:43 | NH | American Golden Plover |
| 26 september 2021 | ||
| 13:51 | FR | Red-breasted Flycatcher |
| 13:22 | FR | Black-winged Kite |
| 12:54 | FR | Little Bunting |
| 12:37 | GR | Red-flanked Bluetail |
| 12:31 | NH | White-rumped Sandpiper |
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