Birds trapped in mist nets killed by opportunistic predators in a forest in Southwestern Amazonia

Autores

DOI:

https://doi.org/10.34019/2596-3325.2020.v21.28868

Palavras-chave:

Eciton burchellii, Hawk, Plecturocebus toppini, Predation

Resumo

The use of mist nets is a highly used method among researchers due to their efficiency in capture birds and bats. However, trapped animals are vulnerable to predator action. During three ornithological studies carried out in a forest fragment from southwest Amazonia, we recorded 15 predation events, with predation rate of 1.5%. Among predators, 26.7% (n = 4) of the cases were related to primates, 13.3% (n = 2) related to army ants, 13.3% (n = 2) related to an unidentified hawk species and in 46.7% (n = 7) of the cases the predators did not identified. Preventing predator access to mist nets and reducing network monitoring time are some of the measures that can prevent these events.

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Publicado

2020-07-29

Edição

Seção

Comunicação Científica