Kempffiana 2020 16(2):29-34 29 NEST AND NESTLING OF SPOT-BACKED PUFFBIRD, Nystalus maculatus striatipectus Sclater 1854 (BIRDS: BUCCONIDAE) IN A DRY FOREST OF THE CHACO, SOUTHERN BOLIVIA El nido y pollo del Durmilí, Nystalus maculatus striatipectus Sclater 1854 (Aves: Bucconidae) en un bosque seco del Chaco, sur de Bolivia Omar Martínez 1 *, J. Fernando Guerra 2 , Romer Miserendino 3 & Luis H. Acosta 3 1 Museo Nacional de Historia Natural, Colección Boliviana de Fauna, Departamento de Ornitología, Universidad Mayor de San Andrés, Casilla 8706, La Paz, Bolivia, 2 Instituto de Ecología, Universidad Mayor de San Andrés, Casilla 10077, La Paz, Bolivia. 3 Museo de Historia Natural Noel Kempff Mercado, Universidad Autónoma Gabriel René Moreno, Casilla 2489, Santa Cruz de la Sierra, Bolivia. *Autor de correspondencia: [email protected]Palabras clave: Bosque seco, Chaco, Familia Bucconidae, nido, Nystalus maculatus, pollo. Key words: Bucconidae family, Chaco, Dry forest, nest, nestling, Nystalus maculatus. The Bucconidae family, it is distributed from Mexico to Argentina, comprises 36 species of birds in 10 genera, whose genus Nystalus has five species (Remsen et al. 2020), four of them (chacuru, maculatus, obamai, and striotulatus) are found in Bolivia (Herzog et al. 2016). The Spot-Backed Puffbird (Nystalus maculatus) is an uncommon to fairly common species that forages in understory and mid-level of semi-deciduous to dry forest and woodland in southeastern lowlands of Cochabamba, Santa Cruz, Chuquisaca and Tarija departments (Rocha et al. 2012, Herzog et al. 2016), reaching the Bolivian Subandino in the Serranía del Aguaragüe (Martínez et al. 2011). It feeds mainly on insects, arachnids and small vertebrates, which it captures in soil or vegetation (Veneciano & Veneciano 2016). Vertebrates include small snakes and lizards (Reichle et al. 2003) and birds (e.g., nestlings of Empidonomus aurantioatrocristatus, Salvador 2016). Nystalus maculatus breeds during the wet-season (from October to February) and nests in tunnels dug (reaching 1 m in depth) in the ground or over ravines, at its deepest end, makes a chamber, in which the female lays 2 to 4 eggs (Reichle et al. 2003, Segura et al. 2014, Veneciano & Veneciano 2016). The entrance of the tunnel is camouflaged with vegetal material and ground (Veneciano & Veneciano 2016). We studied the bird communities along the río Pilcomayo and adjacent areas in Villamontes municipality, Tarija department, Bolivia (Figure 1), between 23 July to 2 August 2019 and 12 to 20 February 2020. In this context, N. maculatus was recorded four times: the first record in Viscacheral (28 July 2019), the second (29 July 2019) in San Bernardo, the
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NEST AND NESTLING OF SPOT-BACKED PUFFBIRD ......CHACO, SOUTHERN BOLIVIA El nido y pollo del Durmilí, Nystalus maculatus striatipectus Sclater 1854 (Aves: Bucconidae) en un bosque
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Kempffiana 2020 16(2):29-34
29
NEST AND NESTLING OF SPOT-BACKED PUFFBIRD, Nystalus maculatus
striatipectus Sclater 1854 (BIRDS: BUCCONIDAE) IN A DRY FOREST OF THE
CHACO, SOUTHERN BOLIVIA
El nido y pollo del Durmilí, Nystalus maculatus striatipectus Sclater 1854
(Aves: Bucconidae) en un bosque seco del Chaco, sur de Bolivia
Omar Martínez1*, J. Fernando Guerra2, Romer Miserendino3 & Luis H. Acosta3
1Museo Nacional de Historia Natural, Colección Boliviana de Fauna, Departamento de Ornitología,
Universidad Mayor de San Andrés, Casilla 8706, La Paz, Bolivia, 2Instituto de Ecología, Universidad Mayor de San Andrés, Casilla 10077, La Paz, Bolivia.
3Museo de Historia Natural Noel Kempff Mercado, Universidad Autónoma Gabriel René Moreno,