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... The monitoring of reintroduced animals is necessary to evaluate release techniques and to assess if captive-bred animals maintain species-typical behavior, especially reproductive This species is currently classified as Endangered in Brazil (ICMBio 2018) and globally (BirdLife International 2019), due to illegal hunting and habitat loss. The main remaining populations are found in protected areas in the Brazilian states of São Paulo and Paraná, and in Argentina (Silveira et al. 2008, del Hoyo et al. 2014). ...
... Black-fronted piping guans have also been observed in tall restinga forest and once in a Pinus sp. plantation (del Hoyo et al. 2014). ...
... We also recorded observations on the reproductive biology of individuals inside the enclosure. Two artificial basket-shaped nests made of plant material (60 cm diameter) were placed near the pre-release acclimation enclosure in the top layer of the canopy forest (one nest at 7 m height and another at 10 m height), the forest stratum most used by this species (Paccagnella et al. 1994, Galetti et al. 1997, del Hoyo et al. 2014 Field observations were conducted between 06:00 h and 17:00 h. Behavioral data of the reintroduced pair were collected through focal animal sampling sessions of 60 minutes (Altmann 1974). ...
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The black-fronted piping guan, Pipile jacutinga, is an endemic Atlantic Forest cracid currently classified as Endangered in Brazil and globally. We present data on the reproductive and agonistic behaviors of a pair of captive reared Black-fronted piping guans reintroduced in a protected area in Serra da Mantiqueira, São Paulo state, Brazil, as well as opportunistic records of reproductive behavior of Black-fronted piping guan candidates for release that were held inside a pre-release acclimation enclosure. Behavioral data were collected from September 2017 to Oecologia Australis (ISSN: 2177-6199) Ahead of print (https://revistas.ufrj.br/index.php/oa/issue/view/1109/showToc) Article ID: AO#31521 Published online: 28/April/2020 2 February 2018. We conducted 172 h of observations across 97 days of monitoring. Six reproductive behaviors were recorded: 1) Wing Display, 2) Nodding Call, 3) Mating Dance, 4) Male Offering Food to Female, 5) Tail Fanning and 6) Copulation. Two white eggs were seen on the 14 th day of incubation in a natural nest built in a tree fern. Only the female was observed incubating the eggs. The female devoted over 90 % of her time to incubation, the rest mainly to foraging or vigilance. The male spent 48 % of time vigilant nearby of the nest but did not interact with the female or eggs. On the 20 th day, incubation was interrupted following heavy rain. Agonistic interactions related to territory defense were observed between the released male and males inside the pre-release acclimation enclosure. On 88 % of the occasions we observed territorial defense behavior between the reintroduced male and other males inside the enclosure. The observations of the pair of reintroduced Black-fronted piping guans and of the candidates for release, provided valuable information about the reproductive behaviors of this largely unstudied and critically threatened species.
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Black-fronted piping guan is an endangered Cracidae from the Atlantic Forest. It was formerly widespread but habitat loss and hunting negatively affected its occurrence and distribution. Despite the species conservation interest, little is known about it breeding biology. Here, we report two breeding events of Aburria jacutinga in Southern Brazil, with comments concerning seasonality and behavior.
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