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Articles

Vol. 14 No. 17 (2005)

Preference for Amazonian Tapir (Tapirus terrestris) Feces and Dung Beetles (Coleoptera: Scarabaeidae: Scarabaeinae) in Amazonian Secondary Forest

Submitted
1 July 2025
Published
2005-06-01

Abstract

The importance of the Amazonian tapir (Tapirus terrestris Linnaeus) in the ecosystem can be demonstrated by understanding the animal-plant, animal-animal, and animal-environment relationships. The Tapir-Beetle (Coleoptera: Scarabaeidae) relationship falls within this context. The abundant fecal matter excreted by the tapir, the largest terrestrial mammal in the Neotropics, provides dung beetles with a suitable environment for the formation of their nest balls and the development of their life cycle. This study aims to determine, by using tapir feces as bait for dung beetle traps, the beetles' preference for this food and the importance of the tapir in their life cycle in two areas: Disturbed (DD) and Medium Disturbed (MD) of Amazonian secondary forest. For comparison, sampling was also carried out with traps using carrion as bait. Thirteen beetle species were found feeding on both types of bait: 7 species were exclusive to tapir feces, and 6 were common to feces and carrion. The most abundant species found in tapir feces was Ontherus sp. 119 individuals of 13 species were found in the moderately disturbed area, and 20 individuals of 4 species were found in the disturbed area. It is important to compare the two areas because it gives us an idea of ​​how tapirs contribute to the dung fauna even in areas altered by anthropogenic intervention (forests with selective logging, regenerating secondary forests, grasslands, etc.).

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