Dutch Bird Alerts
| 17 augustus 2021 | ||
| 13:30 | NH | Blyth's Reed Warbler |
| 13:30 | DR | Short-toed Snake Eagle |
| 13:15 | GE | Golden Eagle |
| 11:39 | FR | Balearic Shearwater |
| 11:39 | NH | Marsh Sandpiper |
| 11:32 | NH | Black Guillemot |
| 11:31 | NH | Gull-billed Tern |
| 11:26 | ZL | Zitting Cisticola |
| 11:16 | ZH | British Storm Petrel |
| 09:21 | UT | Pygmy Cormorant |
| 08:51 | FR | Sabine's Gull |
| 08:41 | NH | Sabine's Gull |
| 08:02 | NH | Sabine's Gull |
| 07:56 | GR | Gull-billed Tern |
| 07:18 | ZH | Sabine's Gull |
| 16 augustus 2021 | ||
| 17:16 | NH | Gull-billed Tern |
| 16:44 | GE | Short-toed Snake Eagle |
| 16:30 | ZH | Sabine's Gull |
| 15:49 | NH | Gull-billed Tern |
| 14:16 | GE | Glossy Ibis |
| 14:08 | NH | Gull-billed Tern |
| 13:21 | NH | Pectoral Sandpiper |
| 13:00 | NH | Short-toed Snake Eagle |
| 12:26 | ZH | Sabine's Gull |
| 11:29 | GR | Gull-billed Tern |
| 11:23 | NH | Marsh Sandpiper |
| 09:10 | ZL | Sabine's Gull |
| 08:59 | UT | Pygmy Cormorant |
| 15 augustus 2021 | ||
| 16:45 | DR | Short-toed Snake Eagle |
| 16:25 | NH | 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