2019
DOI: 10.1590/1809-4392201803841
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Abstract: The post-fledging period is of paramount importance for raptors, since this is when a juvenile develops its hunting skills and gains the abilities required in adulthood and independence through dispersal. Little is known however, about this stage in the lives of raptors such as harpy eagles, Harpia harpyja. Between March 2016 and July 2017, we recorded three predation attempts on groups of primates by a wild juvenile harpy eagle in southwestern Brazilian Amazonia, including the first predation of an adult squi… Show more

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Cited by 4 publications
(4 citation statements)
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“…Their dependent juvenile male eagle, however, quickly learned how to hunt black vultures ( Coragyps atratus ) and accounted for 9 of our 10 records of harpy predation on vultures. Hunting by recently-fledged harpy eaglets is not unheard of 55 and is especially common in fledged males 56 , 57 . We emphasise that a harpy eagle requires ~ 800 g of prey each day 58 , an unfeasible target if they are forced to rely on a mixed diet of forest birds.…”
Section: Discussionmentioning
confidence: 99%
“…Their dependent juvenile male eagle, however, quickly learned how to hunt black vultures ( Coragyps atratus ) and accounted for 9 of our 10 records of harpy predation on vultures. Hunting by recently-fledged harpy eaglets is not unheard of 55 and is especially common in fledged males 56 , 57 . We emphasise that a harpy eagle requires ~ 800 g of prey each day 58 , an unfeasible target if they are forced to rely on a mixed diet of forest birds.…”
Section: Discussionmentioning
confidence: 99%
“…Perforations in the orbits are also common in the primate crania analyzed. Both crowned eagles and harpy eagles inflict damage to the brain of their victims by perforating the cranium with their talons (Cavalcante et al, 2019; Gilbert et al, 2009; Sanders et al, 2003; de Souza Martins et al, 2005). However, crania tend to show a higher survivability in crowned eagle kill assemblages, which may be explained by the more powerful talons of harpy eagles, which inflict more pressure and consequently cause more fragmentation.…”
Section: Discussionmentioning
confidence: 99%
“…An extensive network of roads for logging and trails used for Brazil nut Bertholletia excelsa extraction provide relatively easy access to a number of Harpy Eagle nests (Cavalcante et al . 2019, Miranda et al 2019). These roads and trails make Harpy Eagles relatively visible in a highly accessible landscape.…”
Section: Introductionmentioning
confidence: 99%
“…With the expansion of the Arc of Deforestation-and the economy of ranching in that region -new roads and airports have made the Arc accessible from the rest of Brazil (ZSEE 2008, Carrero et al 2020). An extensive network of roads for logging and trails used for Brazil nut Bertholletia excelsa extraction provide relatively easy access to a number of Harpy Eagle nests (Cavalcante et al 2019, Miranda et al 2019. These roads and trails make Harpy Eagles relatively visible in a highly accessible landscape.…”
Section: Introductionmentioning
confidence: 99%