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Important Facts For Prelims

Willow Warbler

  • 20 Nov 2020
  • 2 min read

Why in News

Recently, Willow Warbler has been sighted for the first time in India at Vellayani-Punchakkari paddy fields, Kerala.

  • These paddy fields are a birding hotspot on the outskirts of Thiruvananthapuram and are known to harbour more than 213 species of birds that include both resident and migratory ones.

Key Points

  • Scientific Name: Phylloscopus trochilus.
  • Habitat: They breeds throughout northern and temperate Europe and the Palearctic.
    • Palearctic ecozone is one the Earth’s 8 ecozones and covers Asia north of the Himalayas, with parts of western Asia and most of East Asia and Africa north of the Sahara.
  • Migration: They migrate to sub-Saharan Africa during early winter.
  • Features:
    • It is one of the longest migrating small birds.
    • The bird weighs around 10 grams and its long wing feathers help it fly long distances.
    • Warblers are generally difficult to identify owing to the small size and change in plumage twice a year. They are also the most difficult groups of birds to identify in the field for their striking resemblance to each other.
  • Threats: The species is affected by drought conditions in its wintering quarters and habitat alterations due to human population expansion.
  • IUCN Red List: Least Concern.

Source: TH

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