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Concept
Common redstart
Summary
The Common Redstart (Phoenicurus phoenicurus), or often simply Redstart, is a small passerine bird in the genus Phoenicurus. Like its relatives, it was formerly classed as a member of the thrush family, (Turdidae), but is now known to be an Old World flycatcher (family Muscicapidae).
The first formal description of the common redstart was by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under the binomial name Motacilla phoenicurus. The genus Phoenicurus was introduced by the English naturalist Thomas Forster in 1817. The genus and species name phoenicurus is from Ancient Greek phoinix, "red", and -ouros -"tailed".
Two subspecies are accepted. The nominate P. p. phoenicurus is found all over Europe and reaches into Siberia. To the southeast, subspecies P. p. samamisicus, sometimes called ‘Ehrenberg’s Redstart’, is found from the Crimean Peninsula and Greece through Turkey, the Caucasus, the Middle East, and into Central Asia. Adult males have white outer webs in the remiges, forming a pale to whitish wing-patch similar to the one seen in Black Redstart and Daurian Redstart. This patch is also present but less conspicuous in some immature males, and sometimes in adult females. Some males exhibit a blackish mantle, too. Both subspecies intergrade widely in the southern Balkans and coastal Ukraine.
The closest genetic relative of the common redstart may be the Moussier's redstart, though incomplete sampling of the genus gives some uncertainty to this. Its ancestors were apparently the first redstarts to spread to Europe; they seem to have diverged from the black redstart group about 3 mya, during the Piacenzian. Genetically, common and black redstarts are still fairly compatible and can produce hybrids that appear to be healthy and fertile, but they are separated by different behaviour and ecological requirements so hybrids are rather rare in nature.
The Common Redstart shows some affinity to the European Robin in many of its habits and actions.
Official source
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Common cuckoo
The common cuckoo (Cuculus canorus) is a member of the cuckoo order of birds, Cuculiformes, which includes the roadrunners, the anis and the coucals. This species is a widespread summer migrant to Europe and Asia, and winters in Africa. It is a brood parasite, which means it lays eggs in the nests of other bird species, particularly of dunnocks, meadow pipits, and reed warblers. Although its eggs are larger than those of its hosts, the eggs in each type of host nest resemble the host's eggs.