Motacilla flava
Yellow Wagtail
The Yellow Wagtail is a slender, long-tailed bird with a distinctive yellow underside. Males in breeding plumage have a bright yellow face and underparts, olive-green upperparts, and a dark head that varies in colour depending on the subspecies.
Females and non-breeding males are duller, with olive-brown upperparts and pale yellow underparts. Juveniles are even more subdued, with buff-tinged plumage and dark spots on the breast.
Length
15cm to 17cm
Wingspan
23cm to 27cm
Weight
15g to 25g
Woodland
Garden
Wetland
Coastal
Urban
Farmland
Grassland
Desert
Tundra
Rainforest
Mountain
Savanna
Yellow Wagtails inhabit open areas near water, including wet meadows, marshes, and agricultural fields. They breed across Europe and Asia, from Iceland to Siberia.
During winter, they migrate to Africa, southern Asia, and parts of Australia. In the UK, they are summer visitors, arriving in April and departing by October, with some passage migrants seen in coastal areas.
Sea level to 4,500 meters
Temperate, Subtropical, Tropical
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Yellow Wagtails primarily feed on small insects and invertebrates. They forage on the ground, often following grazing animals to catch disturbed insects. Their diet includes flies, beetles, moths, and small aquatic invertebrates found in their wetland habitats.
Yellow Wagtails are known for their constant tail-wagging behaviour, which gives them their name. They are often seen running quickly across open ground, chasing insects.
These birds are gregarious, forming large flocks during migration and in winter roosts.
The Yellow Wagtail's call is a sharp, high-pitched 'tslee-tslee' or 'tswee-tswee', often given in flight.
Their song, typically delivered from a perch or during display flights, is a series of twittering notes and trills, sometimes described as 'tsirrup-tsirrup-tsirrup'.
Breeding occurs from late April to August. Males perform aerial displays to attract females, singing while flying in circles.
Nests are built on the ground, often concealed in dense vegetation. They are cup-shaped structures made of grass, leaves, and moss, lined with finer materials. Females typically lay 4-6 eggs, which are pale grey or cream with dark speckles.
Incubation lasts about 11-13 days, primarily by the female. Both parents feed the chicks, which fledge after 10-14 days but remain dependent on adults for another two weeks.
The Yellow Wagtail typically lives for 3 years, with a maximum recorded lifespan of 8.8 years.
Like all birds, lifespan can be affected by factors including predation, habitat quality, disease, and access to food sources.
While listed as Least Concern globally, Yellow Wagtail populations are declining in parts of Europe due to habitat loss and agricultural intensification.
Conservation efforts focus on preserving wetlands and promoting wildlife-friendly farming practices.
Western Yellow Wagtail
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website: BirdLife International. 2019. Motacilla flava (amended version of 2018 assessment). The IUCN Red List of Threatened Species 2019: e.T103822349A155602678.
View sourcereport, 2015: EBCC
website, 2010: Fransson et al., EURING list of longevity records for European birds
View source