Dutch Bird Alerts
| 6 augustus 2021 | ||
| 10:36 | UT | Pygmy Cormorant |
| 09:30 | ZL | Zitting Cisticola |
| 07:19 | NH | Pectoral Sandpiper |
| 5 augustus 2021 | ||
| 16:56 | NH | Marsh Sandpiper |
| 13:54 | GE | Short-toed Snake Eagle |
| 12:36 | GE | Golden Eagle |
| 12:33 | GR | Gull-billed Tern |
| 12:27 | GE | Golden Eagle |
| 12:01 | ZL | Zitting Cisticola |
| 12:00 | GE | Bearded Vulture |
| 11:50 | UT | Pygmy Cormorant |
| 11:50 | DR | Short-toed Snake Eagle |
| 11:48 | DR | Short-toed Snake Eagle |
| 09:10 | ZH | Aquatic Warbler |
| 08:55 | GE | Glossy Ibis |
| 07:45 | NH | Pectoral Sandpiper |
| 05:59 | GR | Gull-billed Tern |
| 4 augustus 2021 | ||
| 19:30 | LI | European Bee-eater |
| 15:49 | DR | Short-toed Snake Eagle |
| 13:12 | NH | Pectoral Sandpiper |
| 12:35 | NH | Marsh Sandpiper |
| 12:20 | NH | Pectoral Sandpiper |
| 11:43 | GE | Golden Eagle |
| 11:34 | DR | Short-toed Snake Eagle |
| 11:31 | GE | Golden Eagle |
| 11:06 | GE | Glossy Ibis |
| 10:42 | GR | Gull-billed Tern |
| 10:32 | DR | Eastern Imperial Eagle |
| 10:06 | UT | Pygmy Cormorant |
| 10:00 | DR | Eastern Imperial Eagle |
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