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Cited by 46Wildlife Ecology and ConservationAnimal Ecology and Behavior StudiesPlant and animal studies

Diet adjustments of maned wolves, Chrysocyon brachyurus (Illiger) (Mammalia, Canidae), subjected to supplemental feeding in a private natural reserve, Southeastern Brazil

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Silva, Joaquim A., Talamoni, Sônia A.·2003·Revista Brasileira de Zoologia
DOI 10.1590/s0101-81752003000200026
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Abstract

From the analysis of 230 scats, the diet of the maned wolves, Chrysocyon brachyurus (Illiger, 1815), was determined in a private natural reserve in southeastern Brazil in which ecotourism activities are developed and the animals are deliberately fed bovine meat. A total of 569 occurrences of food items were recorded, of which 56.8% were of animal origin and 29.1% of vegetal origin. Rodents, insects and birds added up to 35.8% of the occurrences, yet accounted for 68.5% of the total number of preys (277). Insects, however, had practically no importance (0.1%) in the total estimated biomass consumed. Even though the fruit Solanum lycocarpum St.-Hil. is a common food item in the diet of the maned wolf, its occurrence in the diet at the Serra do Caraça Reserve was insignificant, accounting for only 4.8% of the total number of food item occurrences and 3.4% of the total estimated biomass consumption. Food items of anthropic origin and inorganic items (e.g., plastic) represented 14.1% of all occurrences, which shows that the animals are used to the presence of humans. Seasonal variations in consumption were found for S. lycocarpum (c² = 10,09; p < 0,001), for other fruits (c² = 19,73; p < 0,001), and for reptiles (c² = 15,56; p < 0,001), all of which were more frequently eaten during the dry months. There was a significant correlation between the availability of small mammals and their consumption by the maned wolves (r s = 0.59; p = 0.041), yet the same was not observed for the fruits of S. lycocarpum (r s = 0,101; p = 0,754). Our findings stress the need for a better understanding of the effects of additional foods on the natural feeding habits of the maned wolf.

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  • The diet of maned wolves is known to be highly seasonal, given the difference in abundance of dietary items across the year.

    “The diet of maned wolves is known to be highly seasonal, given the difference in abundance of dietary items across the year (Dietz 1984;Aragona and Setz 2001;Silva and Talamoni 2003).”

    From Digestive anatomy and diet of free-ranging maned wolf (Chrysocyon brachyurus) (2025) · cites this paper as Silva and Talamoni 2003

    The Discussion explicitly says that, contrary to previous reports, the study found no seasonal influence on the maned wolves’ overall diet. It notes seasonal consumption of a few items, but that does not support describing the diet as highly seasonal. Page numbers are unavailable in our copy. (LLM, conf=0.86)

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  • Among animal matter, mammals are the most consumed; rodents and armadillos are often found in the scats, while insects are seldom consumed.

    “Among animal matter, mammals are the most consumed; rodents and armadillos are often found in the scats, while insects are seldom consumed (Dietz 1984;Silva and Talamoni 2003;De Almeida Jácomo et al. 2004).”

    From Digestive anatomy and diet of free-ranging maned wolf (Chrysocyon brachyurus) (2025) · cites this paper as Silva and Talamoni 2003

    Table II supports mammals as the largest animal contribution by estimated biomass and shows rodents in 15.8% of food-item occurrences. But armadillos occurred in only 1.6%, and insects occurred in 10.5%—the paper says their estimated biomass was negligible, not that they were seldom consumed. The supplied passages do not give page numbers. (LLM, conf=0.90)

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Cites

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3 of the 24 references couldn’t be matched to a known paper.

Research works printed but not linked: 2

  1. COURTENAY, O. 1994. Conservation of the Maned Wolf: Fruitful relations in a changing environment. Canid News, Oxford, 2: 41-43.
  2. GIULIETTI A.M. & J.R. PIRANI. 1988. Patterns of geographic distri- bution of some plant species from the Espinhaço Range, Minas Gerais and Bahia, Brazil, p. 39-69. In: P.E. VANZOLINI & W.R. HEYER (Eds). Proceedings of a workshop on Neotro- pical distribution patterns. Rio de Janeiro, Academia Bra- sileira de Ciências.

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Authors
Silva, J. A., & Talamoni, S. A.
Affiliations
  • Pontifícia Universidade Católica de Minas Gerais (BR)
  • Pontifícia Universidade Católica de Minas Gerais, Brasil
Venue
Revista Brasileira de Zoologia
Publisher
FapUNIFESP (SciELO)
Published
2003-06
Volume
20
Issue
2
Pages
339-345
ISSN
0101-8175 (ISSN-L)
DOI
10.1590/s0101-81752003000200026
OpenAlex
W2109564203
Cited by
46
References
24
Citations by year
2026: 3 · 2025: 3 · 2024: 2 · 2023: 2 · 2022: 1 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 2 · 2017: 3 · 2015: 1 · 2014: 1 · 2013: 2 · 2012: 6
FWCI
0.96
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Revista Brasileira de Zoologia (publishedVersion, cc-by-nc)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
  • Americanae (AECID Library) (submittedVersion, other-oa)
  • Biodiversity Heritage Library (Smithsonian Institution) (submittedVersion)
Funders
  • Pontifícia Universidade Católica de Minas Gerais
  • Fundação de Amparo à Pesquisa do Estado de Minas Gerais
Topics
  • Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
  • Physical Sciences › Environmental Science › Ecology › Animal Ecology and Behavior Studies
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Plant and animal studies
Keywords
maned wolf, diet analysis, supplementary feeding, scat analysis, Solanum lycocarpum, seasonal diet variation, small mammal prey, plastic ingestion, human-wildlife interactions, ecotourism

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