Dutch Bird Alerts
| 8 april 2021 | ||
| 14:13 | LI | Little Bunting |
| 10:07 | NH | Black Guillemot |
| 08:03 | ZH | Lesser Scaup |
| 07:18 | GE | Little Bunting |
| 7 april 2021 | ||
| 12:08 | NH | Black Guillemot |
| 11:20 | ZH | Lesser Scaup |
| 6 april 2021 | ||
| 13:18 | LI | Little Bunting |
| 10:21 | ZH | Lesser Scaup |
| 08:27 | NH | Black Guillemot |
| 5 april 2021 | ||
| 12:30 | ZH | Lesser Scaup |
| 12:05 | GE | Lesser Scaup |
| 10:35 | LI | Little Bunting |
| 07:21 | GE | Little Bunting |
| 4 april 2021 | ||
| 18:52 | ZH | Lesser Scaup |
| 16:39 | ZH | Little Bunting |
| 15:40 | NH | Black Guillemot |
| 11:34 | LI | Little Bunting |
| 09:57 | NH | Black Guillemot |
| 09:40 | GE | Lesser Scaup |
| 07:20 | GE | Little Bunting |
| 3 april 2021 | ||
| 10:04 | NH | Black Guillemot |
| 10:00 | GE | Hume's Leaf Warbler |
| 08:30 | LI | Little Bunting |
| 08:20 | GE | Lesser Scaup |
| 06:24 | GE | Little Bunting |
| 2 april 2021 | ||
| 09:13 | NH | Black Guillemot |
| 08:06 | GE | Hume's Leaf Warbler |
| 07:30 | GE | Lesser Scaup |
| 1 april 2021 | ||
| 16:27 | GE | Golden Eagle |
| 12:15 | GE | Lesser Scaup |
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