Friday, March 14, 2014

Black-crowned Tchagra song, Morocco (part 2)

For part 1 of this blog on the Tchagra, see here. Last week I was lucky enough to capture a pair of Black-crowned Tchagras  (Tchagra senegalus) duetting in Morocco. The male is uttering the musical, flutey whistles followed by the rapid, higher-pitched buzzy rattles (highlighted in red). The female immediately joins in with rapidly descending rattling/churring, followed by slower, discontinuous, nasal churring (highlighted in green).
Track in the Oued Massa flood plain, Morocco, 9 March 2014

Duetting song uttered from a pair in a Tamarisk in the flood plain of the Oued Massa

Further north in the Zaer cork region near Rabat, I recorded a more distant male initially singing bouts of perched song phrases before taking to its aerial display flight. In the recording below, you can hear a non-vocal signal between 0.8 and 2.6 seconds as it takes flight. This is known as 'wing-fripping'.
17 Km north of Sidi Betache, Morocco, 7 March 2014

Song phrases uttered from a male in flight -listen carefully between 0.8 and 2.6 secs for 'wing-fripping'.

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