Use of abandoned nests of golden-winged cacique Cacicus chrysopterus (Vigors, 1825) by Chacoan mouse opossum Cryptonanus chacoensis (Tate, 1931)

Kimberley C. Jordan; George  Hicks; Frances  O'Leary

doi:10.31687/SaremNMS23.4.4

Autores

Kimberley C. Jordan Fundación Para La Tierra, 321 Mariscal Estigarribia, c/Ttn. Capurro, Pilar, Ñeembucú, Paraguay.
George Hicks Fundación Para La Tierra, 321 Mariscal Estigarribia, c/Ttn. Capurro, Pilar, Ñeembucú, Paraguay.
Frances O'Leary Fundación Para La Tierra, 321 Mariscal Estigarribia, c/Ttn. Capurro, Pilar, Ñeembucú, Paraguay.

DOI:

https://doi.org/10.31687/SaremNMS23.4.4

Palavras-chave:

Didelphidae, Icteridae, mammals of South America, nest use, Ñeembucú

Resumo

All Paraguayan specimens of the Chacoan mouse opossum have been taken on the ground despite simultaneous trapping efforts in trees. Two C. chacoensis individuals were discovered on two separate occasions resting on a large mass of leaves within fallen C. chrysopterus nests, 101.6 cm and 246 cm above the ground. A third fallen C. chrysopterus nest was discovered on a tree, 109.7 cm off the ground, containing a leaf mass approximately 1,550 m from the first nest and 132 m from the second. These findings suggest that the Chacoan mouse opossum may opportunistically use bird nests for roosting.

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