Dutch Bird Alerts
| 15 augustus 2021 | ||
| 07:18 | NH | Blyth's Reed Warbler |
| 14 augustus 2021 | ||
| 19:47 | NH | Black Guillemot |
| 19:17 | FR | Glossy Ibis |
| 16:38 | GR | Gull-billed Tern |
| 16:07 | ZL | Zitting Cisticola |
| 15:13 | GR | Gull-billed Tern |
| 14:49 | DR | Short-toed Snake Eagle |
| 14:30 | GR | Gull-billed Tern |
| 13:12 | FR | White-rumped Sandpiper |
| 12:32 | UT | Pygmy Cormorant |
| 12:22 | GE | Glossy Ibis |
| 12:20 | ZL | Zitting Cisticola |
| 12:16 | FR | Short-toed Snake Eagle |
| 12:03 | NH | Pectoral Sandpiper |
| 10:48 | DR | Short-toed Snake Eagle |
| 10:42 | GE | Short-toed Snake Eagle |
| 09:28 | UT | Pygmy Cormorant |
| 09:16 | NH | Aquatic Warbler |
| 08:40 | NH | Gull-billed Tern |
| 08:32 | NH | Marsh Sandpiper |
| 08:06 | NH | Blyth's Reed Warbler |
| 07:57 | GE | Aquatic Warbler |
| 13 augustus 2021 | ||
| 16:40 | GR | Gull-billed Tern |
| 16:32 | GE | Bearded Vulture |
| 14:42 | NH | Gull-billed Tern |
| 14:07 | ZL | Zitting Cisticola |
| 13:26 | NH | Pectoral Sandpiper |
| 13:10 | GE | Golden Eagle |
| 11:58 | GE | Short-toed Snake Eagle |
| 11:47 | GE | Glossy Ibis |
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