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Reproduction phenology of the Bare-faced Curassow (Crax fasciolata)

Senic, M., Schuchmann, K.-L., Marques, M.I.
Vollständiger Titel: 
Reproduction phenology of a high conservation priority cracid – the Bare-faced Curassow (Crax fasciolata; Aves, Galliformes, Cracidae)
ZFMK-Autorinnen / ZFMK-Autoren: 
Org. Einordnung: 
Publiziert in: 
Papéis Avulsos De Zoologia
DOI Name: 
Bibliographische Angaben: 
Senic, M., Schuchmann, K.-L., Marques, M.I. (2022): Reproduction phenology of a high conservation priority cracid – the Bare-faced Curassow (Crax fasciolata; Aves, Galliformes, Cracidae). - Papéis Avulsos de Zoologia 62: e202262031.

Knowledge of the reproductive biology of Bare-faced Curassows (BFC) from their natural habitats is very limited. Our study covers a two-and-a-half year breeding phenology on BFC in the northern Pantanal (Mato Grosso State, Brazil) with the main objective of collecting information on reproduction biology to contribute to future conservation management strategies of this cracid, which received a recent status of "High Conservation Priority". The study was conducted at the SESC Pantanal, Baía das Pedras, Mato Grosso, Brazil (16°29′55″S, 56°24′46″W), a private protected area of approximately 4,200 ha. Between July 2015 and December 2017, 37 sampling locations were monitored with camera traps placed in a regular grid with a spacing of 1 km. Offspring were detected at least once at 8 locations, namely, in March, April, and May 2016 and in June, July, October, and November 2017, always together with parent(s). Territorial overlap between different family groups was detected. The camera trap dataset was supplemented by data from Citizen Science Projects (i.e., eBird) and the Global Biodiversity Information Facility (GBIF). Based on feather developmental stages and body size, offspring were classified into different age classes. Age determination indicates that breeding occurs year-round in the northern Pantanal region, supported by eBird and GBIF data. The use of a grid-based design for future camera-trapping studies of BFCs is strongly recommended. Our study is of biological relevance for conservation management projects since data were collected in an area with low anthropogenic disturbance and intact ecosystem services.

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