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Feeding

The main component of the diet of all antbirds is arthropods. These are mostly insects, including grasshoppers and crickets, cockroaches, praying mantises, stick insects and the larvae of butterflies and moths. In addition antbirds often take spiders, scorpions and centipedes. They swallow smaller prey items quickly, whereas they often beat larger items against branches in order to remove wings and spines. Larger species can kill and consume frogs and lizards as well, but generally these do not form an important part of the diet of this family. Other food items may also be eaten, including fruit, eggs and slugs.

The family uses a number of techniques to obtain prey. The majority of antbirds are arboreal, with most of those feeding in the understory, many in the middle story and some in the canopy. A few species feed in the leaf litter; for example, the wing-banded antbird forages in areas of dense leaf-litter. It does not use its feet to scratch the leaf litter, as do some other birds; instead it uses its long bill to turn over leaves rapidly (never picking them up). The antbirds that forage arboreally show a number of techniques and specialisations. Some species perch-glean, perching on a branch watching for prey and snatching it by reaching forward, where others sally from a perch and snatch prey on the wing. In both cases birds will hop through the foliage or undergrowth and pause, scanning for prey, before pouncing or moving on. The time paused varies, although smaller species tend to be more active and pause for shorter times.