Dutch Bird Alerts
| 31 augustus 2021 | ||
| 10:31 | UT | Pygmy Cormorant |
| 09:13 | NH | Lesser Grey Shrike |
| 08:55 | NH | Balearic Shearwater |
| 08:39 | NB | Zitting Cisticola |
| 07:54 | ZL | Zitting Cisticola |
| 07:40 | NH | Barred Warbler |
| 30 augustus 2021 | ||
| 17:25 | FR | Balearic Shearwater |
| 15:19 | GE | Golden Eagle |
| 14:47 | GE | Glossy Ibis |
| 14:42 | NH | Sabine's Gull |
| 14:00 | NH | Short-toed Snake Eagle |
| 13:02 | GE | Bearded Vulture |
| 11:35 | GE | Short-toed Snake Eagle |
| 11:24 | NB | Zitting Cisticola |
| 11:10 | NH | Barred Warbler |
| 10:42 | NH | White-rumped Sandpiper |
| 10:19 | NH | Gull-billed Tern |
| 10:04 | FR | Barred Warbler |
| 09:06 | UT | Pygmy Cormorant |
| 07:24 | NH | Lesser Grey Shrike |
| 07:05 | ZH | Balearic Shearwater |
| 29 augustus 2021 | ||
| 17:09 | GE | Bearded Vulture |
| 14:53 | GE | Glossy Ibis |
| 13:42 | NH | Barred Warbler |
| 13:17 | UT | Pygmy Cormorant |
| 10:31 | ZL | Sabine's Gull |
| 09:25 | NH | White-rumped Sandpiper |
| 08:08 | NH | Lesser Grey Shrike |
| 08:01 | ZH | Sabine's Gull |
| 07:48 | NB | Zitting Cisticola |
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