The Mountain Caracara (Phalcoboenus megalopterus) is an endemic South American raptor that inhabits the Andes from southern Ecuador through Peru and Bolivia to northwestern Argentina and central Chile (Bierregaard and Kirwan 2022). This caracara is an opportunistic predator and scavenger, feeding on lizards, birds, arthropods, refuse, and carrion (Figueroa Rojas et al. 2004, Donadio et al. 2007). Until recently, there have been no records of Mountain Caracaras preying on amphibians. Here we report an observation of a Mountain Caracara preying on a frog at Lake Titicaca, Peru. We considered our finding relevant as it contributes to a better understanding of the food habits of this little-studied caracara.

On 7 May 2023, between 1551–1556 H, we observed an adult Mountain Caracara preying on a live Titicaca water frog (Telmatobius culeus) on the shore of Lake Titicaca near the community of Perka Norte...

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