Dunnock system can be shifted from one that favours female success (polyandry), to one that promotes male success (monogamy, polygynandry, or polygyny). The dunnock builds a neat nest (predominantly from twigs and moss and lined with soft materials such as wool or feathers), low in a bush or conifer, where adults typically lay three to five unspotted blue eggs. Broods, depending on the population, can be raised by a lone female, multiple females with the part-time help of a male, multiple females with full-time help by a male, or by multiple females and multiple males. In pairs, the male and the
Common nightingale Common nightingale The common nightingale or simply nightingale ("Luscinia megarhynchos"), also known as rufous nightingale, is a small passerine bird best known for its powerful and beautiful song. It was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscicapidae. It belongs to a group of more terrestrial species, often called chats. "Nightingale" is derived from "night", and the Old English "galan", "to sing". The genus name "Luscinia" is Latin for "nightingale" and "megarhynchos" is from Ancient Greek "megas", "great" and "rhunkhos" "bill". The common nightingale is