17

Eurasian Wren

(Troglodytes troglodytes)
Alternate name(s): "Wren", "Winter Wren"
German name(s): "Zaunkönig"

Size: 9-10 cm; wing span 13-17 cm
Body mass: 7-12 g
Wing loading [g/cm2]: ca. 0.21-0.24
Description     Classification     Distribution     Sightings     Photos     Breeding     Nest     Eggs     Behaviour     Food     Call/s

Physical description

Click here for a physical description

Taxonomy, classification

See Eurasian Wren at Wikipedia .

Range, habitat, finding this species

Click here for information on habitat and range

Sightings

Click here for sighting information

Photos

Race "troglodytes"

ADULT

MALE

The (tentative) identification of the birds labeled as males is made based on their behaviour (territorial display and song), rather than morphology.

Near-frontal view of a male(?) Eurasian Wren issuing its call (photo courtesy of J. Pires)
[Parque Ecologico do Gameiro, Mora, Evora, Portugal, February 2023]

Near-lateral view of a male(?) Eurasian Wren issuing its call (photo courtesy of J. Pires)
[Parque Ecologico do Gameiro, Mora, Evora, Portugal, February 2023]

Close-up lateral/ventral view of a male(?) Eurasian Wren (photo courtesy of J. Pires)
[Mora, Evora, Portugal, February 2019]

Close-up lateral/ventral view of a male(?) Eurasian Wren issuing its call (photo courtesy of J. Pires)
[Mora, Evora, Portugal, February 2019]

Sex unknown

Near-frontal view of a Eurasian Wren (photo courtesy of A. Sarok)
[Vojvodina, Serbia, date unknown]

Near-frontal view of a Eurasian Wren (photo courtesy of D. Wilczynska)
[Ostrow Mazowiecka, Masovia, Poland, October 2017]

Near-lateral view of a Eurasian Wren (photo courtesy of M. Thomas)
[Eltville, Hessen, Germany, January 2019]

Lateral view of a Eurasian Wren (photo courtesy of A. Sarok)
[Vojvodina, Serbia, date unknown]

Lateral view of a Eurasian Wren with its tail cocked (photo courtesy of J. Pires)
[Sorraia River, Santa Justa, Coruche, Portugal, September 2022]

Lateral view of a Eurasian Wren (photo courtesy of M. Thomas)
[Eltville, Hessen, Germany, January 2019]

Lateral view of a Eurasian Wren (photo courtesy of D. Wilczynska)
[Ostrow Mazowiecka, Masovia, Poland, October 2017]

Lateral view of a Eurasian Wren (photo courtesy of D. Wilczynska)
[Ostrow Mazowiecka, Masovia, Poland, October 2017]

Near-dorsal view of a Eurasian Wren (photo courtesy of G. Normand)
[Saint Denis, 10 km North of Paris, France, February 2020]

Near-dorsal view of a Eurasian Wren (photo courtesy of M. Thomas)
[Eltville, Hessen, Germany, January 2019]

Dorsal view of a Eurasian Wren (photo courtesy of D. Wilczynska)
[Ostrow Mazowiecka, Masovia, Poland, October 2017]

Comparison between a Eurasian Wren, right, and a Dunnock, left (photo courtesy of M. Thomas)
[Eltville, Hessen, Germany, January 2019]

IMMATURE/JUVENILE

Lateral view of a juvenile Eurasian Wren looking towards the observer; note the pale gape (photo courtesy of J. Pires)
[Sorraia river, Santa Justa, Coruche, Santarem, Portugal, May 2023]

Lateral view of a juvenile Eurasian Wren (photo courtesy of J. Pires)
[Sorraia river, Santa Justa, Coruche, Santarem, Portugal, May 2023]

Race "indigenus"

ADULT

Sex unknown

Near-frontal view of a Eurasian Wren (photo courtesy of M. Eaton)
[Near Padstow, Cornwall, England, September 2019]

Lateral view of a Eurasian Wren (photo courtesy of M. Eaton)
[Near Padstow, Cornwall, England, September 2019]

Dorsal view of a Eurasian Wren (photo courtesy of M. Eaton)
[Near Padstow, Cornwall, England, September 2019]

Dorsal view of a Eurasian Wren exploring the remnants of a dry wall (photo courtesy of C. Pears)
[Borrowdale, Cumberland, England, September 2024]

Breeding information

Breeding season: Apr - July Eggs: 5 - 7 Incubation period: 14 - 16 days Fledging age: 14 - 19 days

Some nests can have as few as 3 eggs in them, others up to 11. Depending on latitude, and the length of the suitable breeding season, Eurasian Wrens can have 1-2 broods per year.

Nest building: Male & female Incubation: Female Dependent care: Female & male

The female will choose the nest site, the male will build the nest, and then the female lines it before taking on nest duties.

Nest

Type: (Domed) basket Material: Moss, grass, leaves, fine twigs Height above ground: 0 - 7 m

Nests can be placed in hollows, crevices or low in dense vegetation. Most nests are built low, with a median height of 1.2 m above ground or water level.

Sideways view of a Eurasian Wren nest low in a dense shrub (photo courtesy of H. Dahlem-Senger)
[Eltville, Hessen, Germany, June 2025]

Eggs

Size: 16.5 x 12.5 mm Colour: White, with reddish-brown speckles Shape: Tapered oval

Behaviour

Social behaviour: Territorial Mobility: Partially migratory Elementary unit: Solitary

Eurasian Wrens are sedentary in large parts of their European range. Only in north-eastern Europe are they migratory, spending the winters in south-eastern Europe.

Food, Diet

Close-up lateral view of a Eurasian Wren with its prey, a "Daddy Long Leg" spider (photo courtesy of D. Wilczynska)
[Ostrow Mazowiecka, Masovia, Poland, October 2017]

Call(s)/Song

For this species we have recorded the following call(s)/song. The interpretation of their meaning is our own; comments and suggestions for improvement are welcome.

eurwren_jp_20200318.m4a (Portugal) Contact call(?) © JP
eurwren_jp_20200318_2.m4a (Portugal) Contact call(?) © JP
eurwren_jp_20221229.m4a (Portugal) Territorial song(?) © JP
eurwren_jp_20200520.m4a (Portugal) Territorial song(?) © JP
eurwren_jp_20200722.m4a (Portugal) Territorial song(?) © JP
eurwren_jp_20230217.mp3 (Portugal) Territorial song(?) © JP
eurwren_jp_20230217_2.mp3 (Portugal) Territorial song(?) © JP
eurwren_jp_20200318_3.m4a (Portugal) Various © JP
eurwren_jp_20190528.m4a (Portugal) Various (+ Eurasian Blackcap, Short-toed Treecreeper) © JP

More Eurasian Wren sound recordings are available at xeno-canto.org .

These pages are largely based on our own observations and those of our contributors. The structure of these bird pages is explained HERE. For more salient facts on any bird species please refer to a field guide.

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If interested, please CLICK HERE. Credits to contributors are given HERE.