Dutch Bird Alerts
| 10 april 2024 | ||
| 08:01 | NH | Ring-necked Duck |
| 9 april 2024 | ||
| 09:04 | LI | Iberian Chiffchaff |
| 8 april 2024 | ||
| 17:25 | ZH | Falcated Duck |
| 14:43 | LI | Lesser Scaup |
| 12:45 | ZL | Long-billed Dowitcher |
| 07:11 | LI | Iberian Chiffchaff |
| 7 april 2024 | ||
| 10:32 | ZL | Long-billed Dowitcher |
| 10:22 | LI | Lesser Scaup |
| 08:35 | NH | Ring-necked Duck |
| 07:34 | LI | Iberian Chiffchaff |
| 07:30 | NH | Ring-necked Duck |
| 03:01 | LI | Eurasian Stone-curlew |
| 6 april 2024 | ||
| 19:01 | ZL | Long-billed Dowitcher |
| 15:28 | LI | Lesser Scaup |
| 13:38 | NH | Lesser Scaup |
| 13:30 | ZL | Alpine Swift |
| 13:10 | NB | Marsh Sandpiper |
| 11:47 | NH | Ring-necked Duck |
| 09:07 | LI | Iberian Chiffchaff |
| 07:05 | LI | Lesser Scaup |
| 5 april 2024 | ||
| 10:10 | LI | Lesser Scaup |
| 08:29 | NH | Ring-necked Duck |
| 4 april 2024 | ||
| 17:14 | LI | Lesser Scaup |
| 14:25 | ZL | Long-billed Dowitcher |
| 3 april 2024 | ||
| 13:23 | LI | Lesser Scaup |
| 07:05 | ZL | Long-billed Dowitcher |
| 2 april 2024 | ||
| 10:46 | ZL | Long-billed Dowitcher |
| 07:40 | UT | Hume's Leaf Warbler |
| 1 april 2024 | ||
| 17:20 | UT | Hume's Leaf Warbler |
| 16:08 | GR | Taiga Bean Goose |
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