Dutch Bird Alerts
| 19 augustus 2021 | ||
| 20:17 | GE | Glossy Ibis |
| 17:17 | UT | Pygmy Cormorant |
| 16:35 | NH | Gull-billed Tern |
| 16:17 | ZL | Zitting Cisticola |
| 13:54 | FR | Sabine's Gull |
| 12:16 | ZL | Zitting Cisticola |
| 12:08 | UT | Pygmy Cormorant |
| 09:41 | NH | Gull-billed Tern |
| 08:34 | UT | Pygmy Cormorant |
| 08:20 | NH | Marsh Sandpiper |
| 18 augustus 2021 | ||
| 19:59 | NB | Zitting Cisticola |
| 16:26 | GR | Gull-billed Tern |
| 15:30 | ZL | Zitting Cisticola |
| 15:20 | GE | Glossy Ibis |
| 15:16 | NB | Zitting Cisticola |
| 14:52 | NH | Sabine's Gull |
| 14:50 | NH | Black Guillemot |
| 13:44 | FR | Short-toed Snake Eagle |
| 13:40 | NH | Blyth's Reed Warbler |
| 11:32 | NH | Gull-billed Tern |
| 11:20 | NH | Gull-billed Tern |
| 10:55 | NH | Marsh Sandpiper |
| 10:31 | UT | Pygmy Cormorant |
| 09:59 | NH | Gull-billed Tern |
| 09:50 | NH | Gull-billed Tern |
| 09:10 | NH | Sabine's Gull |
| 09:09 | UT | Pygmy Cormorant |
| 17 augustus 2021 | ||
| 21:05 | NH | Gull-billed Tern |
| 15:23 | NH | Gull-billed Tern |
| 14:35 | NH | 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