Gjerdesmett

Om arten

Gjerdesmetten, also known as the Eurasian Wren or Winter Wren, is a very small, plump, and short-tailed passerine bird. It is characterized by its rich brown plumage, finely barred wings and tail, and a distinctive cocked tail. Despite its diminutive size, it possesses a remarkably loud and complex song.

Størrelse og levetid

Lengde

9-10.5 cm

Vingespenn

13-17 cm

Vekt

6-12 g

Levetid

2-3 years (up to 6 years recorded)

Kosthold

Insectivore

Fysiske kjennetegn

Fjærdrakt

Upperparts are reddish-brown, finely barred with darker brown. Underparts are paler, buffish-brown, also finely barred, especially on the flanks. It has a pale supercilium (eyebrow stripe) and a short, often cocked tail, which is also barred. The wings are short and rounded.

Nebbform

Slender, pointed, and slightly decurved dark brown to blackish beak, adapted for probing for insects.

Øyenfarge

Dark brown.

Beinfarge

Pale brown to pinkish-brown.

Særtrekk

Its very small size, plump body, short and often cocked tail, and rich brown, barred plumage are highly distinctive. The pale supercilium is also a good field mark.

Ungfuglutseende

Juveniles resemble adults but may have slightly less distinct barring and a softer, fluffier appearance. They quickly attain adult plumage after their first molt.

Sesongendringer

No significant seasonal plumage changes. The plumage remains consistent throughout the year.

Kjønnsdimorfisme

None; males and females are identical in plumage and size.

Slik identifiseres

1. 1

   Size and Shape

   Look for a very small, plump bird with a short, often upright (cocked) tail. It appears almost spherical.

2. 2

   Plumage

   Note the rich reddish-brown overall coloration with fine dark barring on the wings, tail, and flanks. A pale supercilium is usually visible.

3. 3

   Behavior

   Observe its active, restless movements, hopping and flitting through dense undergrowth, often close to the ground. Its tail is frequently cocked.

4. 4

   Song

   Listen for its surprisingly loud, rapid, and complex song, a series of trills and warbles that can be heard from a considerable distance.

Habitat og utbredelse

Biomer

Forests, woodlands, scrublands, gardens, parks, hedgerows, riparian zones.

Utbredelsesområde

Widespread across the Holarctic region, including Europe, Asia, and North America (where it is often referred to as Winter Wren or Pacific Wren, depending on subspecies). In Norway, it is common throughout the country, including coastal areas and up into the subalpine zone.

Høydeområde

Sea level up to 2,000 meters, sometimes higher in mountainous regions.

Foretrukne miljøer

Dense undergrowth, tangled vegetation, fallen logs, root systems, and areas with abundant insect life. Often found near water sources.

Atferd

Aktivitetstid

Diurnal, most active during the early morning and late afternoon.

Matvaner

Primarily insectivorous, foraging actively among dense vegetation, under leaves, in crevices, and on the ground. It gleans insects, spiders, and other small invertebrates. It moves with quick, jerky movements, often hopping and flitting.

Sosial atferd

Generally solitary or found in pairs during the breeding season. Outside of breeding, they may roost communally in cold weather to conserve heat.

Flygemønster

Short, rapid, and direct flights, often low to the ground, with quick wingbeats. It rarely flies long distances in the open.

Trekkmønster

Many populations are resident year-round. Northern populations, particularly in Scandinavia and Russia, may undertake short-distance migrations to milder coastal areas or further south during harsh winters. In Norway, many are resident, but some move to coastal areas or south.

Territoriell atferd

Males are highly territorial during the breeding season, defending their territory with vigorous singing. They may be polygynous, with a male mating with multiple females within his territory.

Hekking

Hekkesesong

April to July in most of its range, with two broods common.

Reirbygging

Males build several 'cock's nests' within their territory, often in dense vegetation, tree roots, rock crevices, or old buildings. The female selects one for lining and egg-laying. Nests are typically dome-shaped with a side entrance, constructed from moss, leaves, and grass, lined with feathers and hair.

Kullstørrelse

4-8 eggs

Beskrivelse av egg

4-8 (typically 5-7) small, smooth, glossy white eggs, often sparsely speckled with reddish-brown, particularly at the broader end.

Rugetid

12-16 days, primarily by the female.

Tid til flyging

15-19 days after hatching. Young are fed by both parents.

Foreldreomsorg

Both parents feed the nestlings and fledglings. The male may continue to feed the first brood while the female starts a second clutch.

Hvor finnes den

Felttips

1. Listen for its song. The Gjerdesmett's loud song is often the first indication of its presence, especially in dense cover where it can be hard to spot visually.
2. Look low. They spend most of their time foraging close to the ground or within the lower layers of vegetation.
3. Be patient and still. Due to their small size and quick movements, they can be elusive. Standing still and waiting for them to emerge from cover is often effective.
4. Check sheltered areas in winter. In cold weather, they may seek shelter in dense evergreen foliage, woodpiles, or even outbuildings.

Lignende arter

Raske fakta

Smallest European Bird (by weight):

Often considered the smallest European bird by weight, though the Goldcrest is slightly smaller by length.

Loudest Song for its Size:

Produces one of the loudest songs relative to its body size among all birds.

Polygynous:

Males often mate with multiple females within their territory.

Cocked Tail:

Characteristic upright tail posture.

Morsomme fakta

• In some cultures, the Wren is associated with royalty and is known as the 'King of Birds' due to an old fable where it outsmarted an eagle by hiding on its back and flying higher.
• During cold winter nights, Wrens are known to huddle together in communal roosts, sometimes with dozens of individuals, to share body heat and survive freezing temperatures.
• The male Gjerdesmett builds multiple 'cock's nests' within his territory, showcasing them to potential mates. The female then chooses one to line and lay her eggs in.
• Despite its small size, the Gjerdesmett is incredibly hardy and can survive harsh winters, often by foraging actively and utilizing sheltered microhabitats.

Vitenskapelig klassifisering

Rike

Animalia

Rekke

Chordata

Klasse

Aves

Orden

Passeriformes

Familie

Troglodytidae

Slekt

Troglodytes

Art

Troglodytes troglodytes

Utforsk Gjerdesmett