INTRASPECIFIC KILLING EVENTS IN SIGMODONTINE RODENTS (Oecomys cf. cleberi AND Oligoryzomys nigripes)

Autores

  • Eduardo Guimarães Santos Laboratório de Planejamento para Conservação da Biodiversidade, Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro, CP 04457, Brasília DF, CEP 70919-970, Brazil http://orcid.org/0000-0002-9858-1784
  • Priscilla Lóra Zangrandi Laboratório de Ecologia de Vertebrados, Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro, CP 04457, Brasília DF, CEP 70919-970, Brazil.
  • André Faria Mendonça Laboratório de Ecologia de Vertebrados, Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro, CP 04457, Brasília DF, CEP 70919-970, Brazil.
  • Emerson Monteiro Vieira Laboratório de Ecologia de Vertebrados, Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro, CP 04457, Brasília DF, CEP 70919-970, Brazil.

DOI:

https://doi.org/10.4257/oeco.2018.2203.08

Palavras-chave:

agonistic behavior, Cerrado, Neotropical savanna, Rodentia, small mammals

Resumo

Agonistic events can cause the death of one or more individuals involved and can be an important factor in population structure. The recording of these interactions between small mammals in situ is a difficult task. Here, we describe for the first time two intraspecific killing events occurred inside traps between male sigmodontine rodents belonging to the species Oligoryzomys nigripes and Oecomys cf. cleberi in a Neotropical savanna (Cerrado). We discuss on the nature of the aggression between the males by examining the location of injuries. Our results provide insight into intra-sexual behavioral competition that may occur.

Biografia do Autor

Eduardo Guimarães Santos, Laboratório de Planejamento para Conservação da Biodiversidade, Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro, CP 04457, Brasília DF, CEP 70919-970, Brazil

Laboratório de Planejamento para Conservação da Biodiversidade, Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade de Brasília,

Priscilla Lóra Zangrandi, Laboratório de Ecologia de Vertebrados, Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro, CP 04457, Brasília DF, CEP 70919-970, Brazil.

Departamento de Ecologia, Instituto de Ciências Biológicas

André Faria Mendonça, Laboratório de Ecologia de Vertebrados, Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro, CP 04457, Brasília DF, CEP 70919-970, Brazil.

Departamento de Ecologia, Instituto de Ciências Biológicas

Emerson Monteiro Vieira, Laboratório de Ecologia de Vertebrados, Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Darcy Ribeiro, CP 04457, Brasília DF, CEP 70919-970, Brazil.

Departamento de Ecologia, Instituto de Ciências Biológicas

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Publicado

2018-09-11

Edição

v. 22 n. 3 (2018): Spontaneous submissions

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Notas Científicas