The Eurasian wren (Troglodytes troglodytes) is a very small, and common garden bird, and the only member of the wren family Troglodytidae found in Eurasia and Africa (Maghreb).It is also widespread in woodlands and most other habitats. In Anglophone Europe, it is commonly known simply as the wren. It was once lumped with Troglodytes hiemalis of eastern North America and Troglodytes pacificus of western North America as the winter wren. The Eurasian wren occurs in Europe, a belt of Asia from northern Iran and Afghanistan across to Japan. It is migratory in only the northern parts of its range. It is also highly polygynous, an unusual mating system for passerines.
The scientific name is taken from the Greek word "troglodytes" (from "trogle" a hole, and "dyein" to creep), meaning "cave-dweller", and refers to its habit of disappearing into cavities or crevices whilst hunting arthropods or to roost. The taxonomy of the genus Troglodytes is currently unresolved, as recent molecular studies have suggested that Cistothorus spp. and Thryorchilus spp. are within the clade currently defined by Troglodytes.
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A very small 'stumpy' rufous brown 'mouse like' bird often heavily barred 9- to 10.5-cm-long and 6-10 g in weight.Eurasian wren often alights with stiff tail raised accompanied by its explosive call (see Sound files).Male birds build uo to 7 nests which are lined once the female bird has chosen one.Often in tree crevices, rocks any any location where the nest can be disguised. A small entrance hole is formed and the female will lay up to 7-8 eggs, often producing second brood. Males are highly polygamous, with up to 4 female birds commonplace.
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Eurasian Wren illustration by MiE Fielding
