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Food and Feeding Behavior: Very opportunistic feeder, preying upon small mammals, frogs, lizards, and insects, which are found by climbing around on tree trunks and limbs, peering into crevices and holes while hanging at odd angles. This species has a reversible intertarsal (\"knee\") joint which can bend backward, as well as forward, enabling the bird to reach into deep holes to extract the contents. For prey that would otherwise be inaccessible, gymnogenes hang under branches and cliffs, balancing with flapping wings, and feeding on anything that they come across (Tarboton 1990). Raids nesting colonies of birds, especially ploceid weavers, taking eggs and nestlings. Also hunts on the wing, soaring or flapping slowly over open areas between trees. In West Africa and Malawi, it feeds on oil palm fruit, and it also takes carrion and fish.