Long-Distance Counter Calling in Maned Wolves: Friends or Foes?

Autor: Luane S. Ferreira, Victor Sábato, Thiago A. Pinheiro, Edvaldo Neto, Luciana H. Rocha, Júlio Baumgarten, Flávio H. Rodrigues, Renata S. Sousa-Lima
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Animals, Vol 12, Iss 9, p 1081 (2022)
Druh dokumentu: article
ISSN: 12091081
2076-2615
DOI: 10.3390/ani12091081
Popis: Maned wolves (Chrysocyon brachyurus) are monogamous and display biparental care for their young, although adults rarely spend time in close proximity. To better understand vocal interactions of maned wolves over long-distances, we passively recorded >10 months of audio data in the species’ natural habitat and analyzed manual recordings of captive animals, covering the reproductive and non-reproductive seasons. In the natural habitat recordings, we found that maned wolves engage in vocal exchanges (termed interactive sequences) more often during the mating season, suggesting the existence of a partner attraction/reunion/guarding function, and also during the initial parental care period, suggesting communication among caregivers. We analyzed 21 interactive sequences, which were the only instances in which we could distinguish individuals, and found that the individuals interacting differed significantly in their roar-bark parameters, including duration, which also differed between males and females in captivity (male vocalizations were, on average, 0.124 s longer). We also found that interactive sequences in captive animals, involving two or more participants, almost always involved both sexes. These results suggest that acoustic interacting maned wolves are most likely male–female dyads.
Databáze: Directory of Open Access Journals