Marsh versus Blyth's Reed Warbler's song

Marsh versus Blyth's Reed Warbler's song

A rare species that probably is heavily overlooked is the Blyth's Reed Warbler. The sightings are increasing in the Netherlands, mainly in autumn but with a recent record of a singing birds on Texel shows that it's good to double check singing Acro warblers in spring.

In this blog we won't get into the details of the plumage differences but only focus on the song in comparisson to Marsh Warbler.

Photo of Blyth's Reed Warbler by Eric Menkveld, Texel, 11-06-2016

Blyth's Reed Warbler song:

  • Several clear whistles;
  • Less hasty;
  • Short rest periods between the variations;
  • Not so many scratching sounds as Marsh Warbler;
  • Rithm reminds more of Reed Warbler.

Marsh Warbler song:

  • Continious flow in immitations;
  • Many scratching calls mixed in;
  • A more nervous way of singing.

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