Dunnock / Heckenbraunelle (Prunella modularis)

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Classification: Genus Prunella; Family Sparrows (Passeridae)
Heard at Hungerseeli and near Lendikon according to BirdNET. Finally seen near Amden 2023, Mettmenalp 2024.
Song:

Singt schon im Vorfrühling. Klangfarbe ähnlich Gartenbaumläufer. Aufbau ähnlich Zaunkönig, aber ohne Triller. Viel leiser und dünner. [Link]

Song a fast and evenly paced, high pitched stream of clear notes. No consistent phrasing. Similar in timbre to Robin, but does not vary tempo or pitch nearly as much. Often compared to the sound of a squeaky wheelbarrow. [Link]
Calls:

Hohe „zi“ „tsi“. Auf dem Zug „zieht“. Etwas absinkend.. [Link]

Contact call a dry, thick trill "trrr", and a short King Fisher-like, high-pitched "zeep". [Link]
Physical details: length=14 cm, wingspan=19-21 cm, weight=16-25 g
Habitats: Forest

Song: General: High-pitched, repetitive but complex little tune, 3 seconds long with about 15 notes rising and falling, falling at the end, then 3 second pause.
Song:

Melodisch, slowly rising, roughly like black-cap warbler, which I guessed in the bird-song.ch quiz. [Link]

Schnell wie ein Rotkehlchen aber nicht herunter plaetschernd, hoch und runter zwischen 3 und 7 kHz. [Link]
Song attributes: Melody: stereotype melodic, fast, Frequency: 4-8 KHz Singing season: 02-15 - 07-31 Dawn chorus start, 45 minutes before dawn.
Call: Swooping staccato call 0.5 seconds long heard near Lendikon. Repeated irregularly after 1-3.5 seconds.

XC594397 - Dunnock - Prunella modularis modularis - call recorded in Poland.
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Call attributes: Call melody: one note, fast, Frequency: 5-7 KHz, Special sounds: swoop.
First documented observation: 2020-04-16 in Hungerseeli. Most recent observation: 2024-06-25 in Mettmenalp, GL.