Campo Troupial - Icterus jamacaii
Associação
Mãe-da-lua
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Mammals

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in Itapajé, Ceará,
100 km from Fortaleza.
Presentation
Mammals

The avifauna is listed in
Birds of NE Brazil.
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Threatened species
Many species of NE Brazil are threatened by extinction. Our reserve helps to protect some of them:
Birds of NE Brazil
in Caatinga, Cerrado,
and other habitats
White-fringed Antwren
Formicivora grisea
Papa-formigas-pardo
Family: Thamnophilidae

The local subspecies is the nominate race F.g. grisea. RPPN Mãe-da-lua.

References: Zimmer and Isler 2003.

White-fringed Antwren (Formicivora grisea)
25/01/2008; Mãe-da-lua reserve, Itapajé, Ceará, Brazil. © H. Redies

Figure 1. This series of evenly spaced click-like notes is the "loudsong" of the White-fringed Antwren (Formicivora grisea). To a human listener, the vocalization does not sound like a song, but in playback experiments, it evokes a similar behavioral response as loudsongs in other Typical Antbirds, e.g. F. melanogaster or Thamnophilus pelzelni: the male appears, utters the same song, and searches nervously for the vocalizing conspecific.

See species account in Zimmer and Isler 2003: "... loudsong a monotonous series of dry or harsh notes repeated at same pitch and pace ...". See also CD of Isler and Whitney 2002, CD 2 Track 18, for a similar sample.

Fig. 2 shows details of section "A".

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White-fringed Antwren (Formicivora grisea)
Recorded 25/01/2008 in Mãe-da-lua reserve, Itapajé, Ceará, Brazil. © H. Redies

Figure 2. Details of section "A" from fig. 1.

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