Fieldfare illustration
Birdsong field guide

Fieldfare

Turdus pilaris

A large, gregarious thrush distinguished by its blue-grey head and rump, often observed in noisy, nomadic flocks during the winter months. It is noted for its colonial nesting habits and aggressive communal defense against predators.

What it sounds like

A loud, harsh, and characteristic chattering 'tsak-tsak-tsak' often heard in flight.

Reference call, compare with what you heard
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Rec. Kalle Nibbenhagen · GermanyCC BY-NC-SAXeno-canto

Field notes

  • Employs a unique defense mechanism known as 'fecal bombing,' where colony members collectively defecate on predators to mat their feathers.
  • The species' common name is derived from the Old English 'feldewere,' meaning 'traveler of the fields.'
  • Highly nomadic during winter, shifting geographic locations rapidly based on the abundance of berry crops like rowan and hawthorn.
  • Breeding colonies can consist of up to 40 pairs, providing significant protection against corvids and raptors through mobbing.
  • While primarily insectivorous during the breeding season, they transition to a diet of fruit and windfall apples during late autumn and winter.
Habitat
Birch and coniferous woodlands, forest edges, parklands, and open agricultural fields.
Range
Breeds across northern Europe and the Palearctic; winters in southern and western Europe, North Africa, and the Middle East.

Similar & commonly confused birds

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