Dutch Bird Alerts
| 10 augustus 2021 | ||
| 16:09 | GE | Glossy Ibis |
| 14:16 | NH | Gull-billed Tern |
| 14:14 | FR | White-rumped Sandpiper |
| 13:58 | FR | Short-toed Snake Eagle |
| 13:03 | DR | Short-toed Snake Eagle |
| 12:11 | NH | Pectoral Sandpiper |
| 11:45 | GE | Short-toed Snake Eagle |
| 11:44 | GR | Gull-billed Tern |
| 10:43 | NH | Greater Sand Plover |
| 10:37 | ZH | Rosy Starling |
| 09:51 | NH | Marsh Sandpiper |
| 09:25 | NH | Gull-billed Tern |
| 08:46 | UT | Pygmy Cormorant |
| 08:44 | ZH | Aquatic Warbler |
| 08:27 | NH | Gull-billed Tern |
| 07:04 | GE | Aquatic Warbler |
| 06:41 | GR | Gull-billed Tern |
| 06:23 | ZH | Aquatic Warbler |
| 9 augustus 2021 | ||
| 15:01 | GR | Gull-billed Tern |
| 14:52 | ZH | Sabine's Gull |
| 14:19 | GR | Gull-billed Tern |
| 14:08 | NH | Gull-billed Tern |
| 12:32 | ZL | Zitting Cisticola |
| 12:09 | UT | Pygmy Cormorant |
| 11:42 | FR | White-rumped Sandpiper |
| 11:13 | GE | Short-toed Snake Eagle |
| 11:12 | GE | Golden Eagle |
| 10:45 | DR | Short-toed Snake Eagle |
| 10:44 | NH | Marsh Sandpiper |
| 10:21 | GR | Gull-billed Tern |
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