Dutch Bird Alerts
| 1 april 2024 | ||
| 15:50 | ZL | Long-billed Dowitcher |
| 13:54 | GE | Marsh Sandpiper |
| 07:07 | LI | Lesser Scaup |
| 31 maart 2024 | ||
| 12:40 | GR | Taiga Bean Goose |
| 12:28 | ZH | Marsh Sandpiper |
| 11:36 | FR | Black-winged Kite |
| 08:56 | NH | Ring-necked Duck |
| 08:03 | GE | Marsh Sandpiper |
| 07:37 | ZL | Long-billed Dowitcher |
| 07:13 | UT | Hume's Leaf Warbler |
| 07:07 | LI | Lesser Scaup |
| 30 maart 2024 | ||
| 11:22 | UT | Hume's Leaf Warbler |
| 11:20 | NH | Ring-necked Duck |
| 09:16 | ZL | Long-billed Dowitcher |
| 07:09 | LI | Lesser Scaup |
| 06:53 | GE | Marsh Sandpiper |
| 29 maart 2024 | ||
| 20:38 | ZL | Long-billed Dowitcher |
| 13:57 | NH | Ring-necked Duck |
| 10:25 | UT | Hume's Leaf Warbler |
| 09:28 | FR | Ross's Goose |
| 08:37 | LI | Lesser Scaup |
| 08:13 | GR | Taiga Bean Goose |
| 07:15 | GE | Marsh Sandpiper |
| 28 maart 2024 | ||
| 19:15 | FR | Ross's Goose |
| 14:50 | ZH | American Wigeon |
| 13:05 | UT | Hume's Leaf Warbler |
| 07:45 | GE | Marsh Sandpiper |
| 06:29 | LI | Lesser Scaup |
| 27 maart 2024 | ||
| 17:06 | GE | Sociable Lapwing |
| 15:46 | LI | Lesser Scaup |
Siberische Boompieper
Anthus hodgsoni · Olive-backed Pipit
Datum & Tijd
05-11-2018 10:00
Locatie
| Atlasblok | OV · 27-38-44 |
|---|---|
| GPS | 52.36627 6.31600 |
| RD | 218.259 486.893 |
| Raalte Boetelerveld |
Tijd & Gedrag
Onbekend
Zekerheid
Determinatie zeker, geen kleedgegevens
Gehoord via
waarneming.nl
Extra informatie
1 ex. overvliegend zuid
Parameters Values hodgsoni
Maximum frequency (kHz) 8.10 TRUE
Mean starting frequency (MSF, kHz) 8.20 TRUE
Gradient (kHz/s) 14.30 TRUE
Parameter 1 (MSF*slope) 117.00 TRUE
Duration of one modulation (ms) 9.40 TRUE
Parameter 2 (MSF*slope*mod.dur) 1096.00 TRUE
Waargenomen door:
Luciën Brinkhof