Dutch Bird Alerts
| 14 september 2021 | ||
| 16:03 | NH | Glossy Ibis |
| 14:53 | NB | Zitting Cisticola |
| 13:34 | GE | Bearded Vulture |
| 11:46 | GE | Golden Eagle |
| 10:56 | NH | Broad-billed Sandpiper |
| 09:58 | ZL | Zitting Cisticola |
| 09:38 | ZL | Pectoral Sandpiper |
| 09:22 | ZL | Zitting Cisticola |
| 08:01 | UT | Pygmy Cormorant |
| 13 september 2021 | ||
| 16:40 | FR | Cory's | Scopoli's Shearwater |
| 12:53 | FL | Sabine's Gull |
| 11:04 | NH | Pectoral Sandpiper |
| 10:45 | GE | Bearded Vulture |
| 10:34 | GR | Pectoral Sandpiper |
| 10:17 | ZL | Pectoral Sandpiper |
| 10:08 | ZL | Zitting Cisticola |
| 09:22 | GE | Golden Eagle |
| 08:17 | NH | Broad-billed Sandpiper |
| 07:46 | FR | Balearic Shearwater |
| 07:41 | NH | Glossy Ibis |
| 12 september 2021 | ||
| 21:27 | ZL | Zitting Cisticola |
| 16:01 | ZL | Zitting Cisticola |
| 14:13 | UT | Pygmy Cormorant |
| 13:22 | GE | Golden Eagle |
| 13:20 | ZL | Zitting Cisticola |
| 13:11 | NH | Broad-billed Sandpiper |
| 12:25 | ZH | Short-toed Snake Eagle |
| 12:21 | NH | Barred Warbler |
| 12:02 | ZL | Pectoral Sandpiper |
| 11:10 | NH | Pectoral 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