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The La Paz Robber Frog, Oreobates cruralis, is a mostly terrestrial craugastorid frog native to eastern Andean foothill rainforests, Yungas forests, and montane forests to 2000 m (6600 feet) asl in central Peru through Bolivia. The type specimen locality is labeled as "La Paz, 4000 m", however Köhler (2000) notes that this must be in error as O. cruralis is not found at this altitude. It is common in degraded and disturbed habitats, including gardens. Köhler (2000) and Reichle et al. (2001) both indicate that the name Oreobates cruralis is a species complex that includes other distinct species.
Active in day and nighttime, males call from hidden spots in vegetation just off the ground especially at dusk. Their calls have been recorded (Köhler et al. 2000). Females are known to have eggs January-February. Eggs are laid in leaf litter, and develop on land bypassing the tadpole stage (Cortez et al. 2004).