Dutch Bird Alerts
| 22 september 2021 | ||
| 08:16 | FR | Pectoral Sandpiper |
| 07:39 | DR | Glossy Ibis |
| 07:33 | NH | Glossy Ibis |
| 21 september 2021 | ||
| 15:48 | FR | Pectoral Sandpiper |
| 14:55 | ZL | Zitting Cisticola |
| 14:43 | NB | Zitting Cisticola |
| 14:00 | NB | Black-winged Kite |
| 12:13 | NH | White-rumped Sandpiper |
| 12:02 | GE | Bearded Vulture |
| 11:56 | GE | Golden Eagle |
| 10:41 | ZH | Little Bunting |
| 10:30 | DR | Glossy Ibis |
| 10:25 | FR | Greater Short-toed Lark |
| 09:06 | NH | Glossy Ibis |
| 20 september 2021 | ||
| 19:09 | FR | Black Guillemot |
| 17:02 | ZL | Pectoral Sandpiper |
| 14:57 | NB | Zitting Cisticola |
| 13:46 | NH | Glossy Ibis |
| 13:22 | GE | Glossy Ibis |
| 13:20 | UT | Pygmy Cormorant |
| 13:15 | NH | Barred Warbler |
| 11:26 | GE | Bearded Vulture |
| 09:44 | GE | Golden Eagle |
| 09:20 | FR | Barred Warbler |
| 09:15 | DR | Glossy Ibis |
| 08:41 | ZH | Barred Warbler |
| 19 september 2021 | ||
| 19:03 | ZH | Baltic Gull |
| 16:27 | GR | Booted Eagle |
| 15:39 | NH | Two-barred Crossbill |
| 15:07 | NB | Zitting Cisticola |
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