Dutch Bird Alerts
| 25 september 2021 | ||
| 11:50 | NH | Barred Warbler |
| 11:44 | GR | Booted Eagle |
| 11:38 | ZL | Zitting Cisticola |
| 08:39 | ZH | European Red-rumped Swallow |
| 07:59 | NH | Glossy Ibis |
| 07:54 | NH | (Western) Citrine Wagtail |
| 07:47 | NH | Eastern Bonelli's Warbler |
| 07:28 | ZL | Glossy Ibis |
| 24 september 2021 | ||
| 13:21 | GE | Bearded Vulture |
| 12:00 | DR | Glossy Ibis |
| 11:45 | ZL | Pectoral Sandpiper |
| 10:40 | FR | Pectoral Sandpiper |
| 10:13 | NH | Glossy Ibis |
| 09:30 | ZL | Glossy Ibis |
| 09:08 | NH | Eastern Bonelli's Warbler |
| 23 september 2021 | ||
| 16:37 | NH | Barred Warbler |
| 15:54 | UT | Pygmy Cormorant |
| 12:23 | NH | Glossy Ibis |
| 11:56 | NH | Eastern Bonelli's Warbler |
| 10:40 | NH | White-rumped Sandpiper |
| 10:20 | DR | Glossy Ibis |
| 08:55 | ZL | Glossy Ibis |
| 22 september 2021 | ||
| 15:32 | GE | Golden Eagle |
| 14:58 | GE | Short-toed Snake Eagle |
| 11:30 | GE | Bearded Vulture |
| 10:53 | NH | Barred Warbler |
| 09:50 | ZL | Zitting Cisticola |
| 09:07 | NH | White-rumped Sandpiper |
| 09:01 | GE | Greater Short-toed Lark |
| 08:16 | FR | 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