Dutch Bird Alerts
| 29 juli 2021 | ||
| 15:09 | NH | Gull-billed Tern |
| 12:41 | GR | Gull-billed Tern |
| 11:36 | GE | Short-toed Snake Eagle |
| 10:51 | GE | Bearded Vulture |
| 10:35 | GE | Glossy Ibis |
| 10:31 | ZH | Short-toed Snake Eagle |
| 10:12 | ZH | Zitting Cisticola |
| 09:20 | GR | Gull-billed Tern |
| 08:00 | UT | Pygmy Cormorant |
| 28 juli 2021 | ||
| 16:13 | FR | Pectoral Sandpiper |
| 16:13 | GE | Glossy Ibis |
| 14:36 | GE | Short-toed Snake Eagle |
| 13:03 | GR | Gull-billed Tern |
| 13:02 | GR | Gull-billed Tern |
| 11:54 | DR | Short-toed Snake Eagle |
| 11:44 | NH | Marsh Sandpiper |
| 10:09 | UT | Pygmy Cormorant |
| 09:51 | UT | Pygmy Cormorant |
| 27 juli 2021 | ||
| 14:28 | NH | Gull-billed Tern |
| 13:07 | NH | Gull-billed Tern |
| 13:05 | FR | Pectoral Sandpiper |
| 12:48 | ZL | Short-toed Snake Eagle |
| 12:40 | GE | Bearded Vulture |
| 12:22 | FR | Short-toed Snake Eagle |
| 11:52 | GE | Short-toed Snake Eagle |
| 11:38 | GR | Gull-billed Tern |
| 10:57 | GR | Gull-billed Tern |
| 10:50 | GR | Broad-billed Sandpiper |
| 09:31 | NH | Marsh Sandpiper |
| 07:48 | 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