river warbler calls! 🐦 скачать в хорошем качестве

river warbler calls! 🐦

The river warbler (Locustella fluviatilis) is a small Old World warbler that breeds mainly in eastern and central Europe and the western Palearctic, then migrates to winter in inland southern Africa, roughly from the Zambezi region south to around Pretoria. Identification: 🔹️Medium-sized, rather plain warbler with an unstreaked grey‑brown upperbody and whitish‑grey underparts. 🔹️Undertail coverts are darker with contrasting white tips, creating a spotted or scaled look; some birds show reduced dark markings and can resemble Savi’s warbler. 🔹️Sexes look alike; juveniles are similar but slightly yellower below. 🔹️Typically very skulking, creeping low through dense grass and undergrowth and often hard to see except when singing. Voice: 🔹️Song is a continuous, mechanical, insect‑like “reel,” often compared to a sewing machine or loud grasshopper/cicada. 🔹️Usually delivered from low vegetation (willows, reeds, scrub), often at dusk or at night, and can be sustained for long periods. 🔹️In some areas it can mimic the sound of local invertebrates such as bush‑crickets or cicadas. Habitat and behaviour: 🔹️Breeds in dense, low vegetation in wet or damp places: wooded swamps, marshes, bogs, willow scrub, and dense deciduous cover near rivers or boggy ground. 🔹️Needs very dense but low undergrowth (grasses, nettles, sedges) interspersed with bushes, with fairly open ground below where it can walk and forage. 🔹️Nests are loose cups of dead leaves and grasses, well hidden on or near the ground in thick vegetation; clutch size is typically five to seven eggs. 🔹️Diet is mainly insects and other small invertebrates (insectivorous), gleaned while creeping through cover. Distribution, migration, and vagrancy: 🔹️Breeding range: eastern and central Europe into the western Palearctic. 🔹️Wintering range: inland southern Africa, from around the Zambezi River south toward northern South Africa near Pretoria. 🔹️A very rare vagrant to western Europe; in Britain only small numbers of males have held territories in spring, with a few notable “twitchable” birds such as singing males in Norfolk (2010) and Somerset (2021). 🔹️There is also a Neotropical species called the riverbank warbler (Myiothlypis rivularis), sometimes referred to as “river warbler,” which is unrelated and occurs in South America. Conservation status: 🔹️The species has a wide range and a large overall population. 🔹️Although there are indications of some decline, this is not rapid enough to meet threat thresholds, so it is currently assessed as Least Concern on the IUCN Red List. #riverwarbler #warblervocalization #RareWarbler #warblermimicry