Dutch Bird Alerts
| 27 augustus 2021 | ||
| 09:42 | ZL | Zitting Cisticola |
| 09:30 | FR | Arctic Warbler |
| 08:32 | NH | White-rumped Sandpiper |
| 08:15 | NH | Barred Warbler |
| 08:14 | NB | Zitting Cisticola |
| 06:31 | NH | Gull-billed Tern |
| 26 augustus 2021 | ||
| 19:29 | NH | Barred Warbler |
| 19:12 | NH | Short-toed Snake Eagle |
| 19:07 | ZL | Zitting Cisticola |
| 18:39 | ZL | Greater Yellowlegs |
| 17:10 | UT | Two-barred Crossbill |
| 16:10 | NH | White-rumped Sandpiper |
| 15:34 | GE | Glossy Ibis |
| 15:12 | GE | Golden Eagle |
| 15:00 | FR | Greenish Warbler |
| 13:15 | FL | Marsh Sandpiper |
| 12:42 | FR | Short-toed Snake Eagle |
| 11:47 | FR | Greenish Warbler |
| 11:14 | ZL | Zitting Cisticola |
| 11:13 | GE | Bearded Vulture |
| 11:03 | NH | Marsh Sandpiper |
| 10:44 | FR | Arctic Warbler |
| 10:12 | FR | Barred Warbler |
| 09:39 | NH | Sabine's Gull |
| 09:01 | FR | Sabine's Gull |
| 08:30 | ZL | Sabine's Gull |
| 07:04 | NB | Zitting Cisticola |
| 25 augustus 2021 | ||
| 16:46 | ZL | Zitting Cisticola |
| 16:28 | GR | Broad-billed Sandpiper |
| 16:28 | ZL | 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