Startseite Beyond the color: the implications of pigmentation polymorphism in the activity behavior of a Neotropical squirrel
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Beyond the color: the implications of pigmentation polymorphism in the activity behavior of a Neotropical squirrel

  • Mariana Silva Tavares , Leonardo dos Santos Aguiar , Carlos Henrique Salvador und Maron Galliez EMAIL logo
Veröffentlicht/Copyright: 17. September 2019
Mammalia
Aus der Zeitschrift Mammalia Band 84 Heft 3

Abstract

Pigmentation polymorphism occurs in many mammals but is considered rare in natural populations. Here, we report the first record of pigmentation polymorphism in a Neotropical squirrel, Guerlinguetus ingrami, at a private reserve in southern Brazil. The number of records for leucistic squirrels was approximately half that for brown squirrels. We also tested the differences in activity patterns between the leucistic and the brown squirrels. Both phenotypes were diurnal, but there was temporal segregation between the two. Further studies are needed to elucidate the occurrence of leucism in G. ingrami, and the possible ecological and behavioral outcomes.

Keywords: activity pattern; camera trap; leucism; Neotropical mammals

Funding source: Fundação Grupo Boticário

Award Identifier / Grant number: PROG_0010_2014

Funding statement: We acknowledge Rachel and Nicholas Locke for allowing us to work within their Reserva Ecológica de Guapiaçu. We also thank our colleagues at the Laboratório de Ecologia e Manejo de Animais Silvestres of Instituto Federal do Rio de Janeiro for their help in fieldwork and discussions, as well as Jorge Bizarro, Thomas Locke, Sidnei Oliveira, and Hildo Oliveira for the logistic support in REGUA, and Gisele Alarcon and Adriana Valente de Araujo for revising the manuscript. This study was supported by the Instituto Federal do Rio de Janeiro, Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (grant number: E-26/210.139/2014), and Fundação Grupo Boticário (grant number: PROG_0010_2014, Funder Id: http://dx.doi.org/10.13039/100009472).

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Received: 2019-03-12
Accepted: 2019-08-27
Published Online: 2019-09-17
Published in Print: 2020-03-26

©2020 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Ecology
  3. Spatial organization and mating behavior of the Japanese serow under a low population density
  4. Sympatry and habitat associations of sigmodontine rodents in a neotropical forest-savanna interface
  5. Improving detectability of the harvest mouse (Micromys minutus Pallas, 1771) by above ground live-trapping
  6. New tent architecture roost by Dermanura phaeotis (Miller, 1902) (Chiroptera: Phyllostomidae) in southeastern Mexico
  7. Conservation
  8. First description of an immature Sumatran striped rabbit (Nesolagus netscheri), with special reference to the wildlife trade in South Sumatra
  9. The desert hamster Phodopus roborovskii (Satunin, 1903) (Rodentia, Cricetidae) from north-western Tibetan plateau, Ladakh, India: an addition to the mammalian fauna of the Indian subcontinent
  10. Evolutionary biology
  11. Late Pleistocene and Holocene distribution history of the Eurasian beaver in Italy
  12. Third upper molar enlargement in sigmodontine rodents (Cricetidae): morphological disparity and evolutionary convergence
  13. Ethology
  14. Insights into giant armadillo (Priodontes maximus Kerr, 1792) reproduction
  15. Beyond the color: the implications of pigmentation polymorphism in the activity behavior of a Neotropical squirrel
  16. Taxonomy
  17. Quantitative morphological characters of the skull suggest that Akodon oenos (Rodentia, Cricetidae, Sigmodontinae) is not a junior synonym of A. spegazzinii
https://doi.org/10.1515/mammalia-2019-0025
Schlagwörter für diesen Artikel
activity pattern; camera trap; leucism; Neotropical mammals

Artikel in diesem Heft

  1. Frontmatter
  2. Ecology
  3. Spatial organization and mating behavior of the Japanese serow under a low population density
  4. Sympatry and habitat associations of sigmodontine rodents in a neotropical forest-savanna interface
  5. Improving detectability of the harvest mouse (Micromys minutus Pallas, 1771) by above ground live-trapping
  6. New tent architecture roost by Dermanura phaeotis (Miller, 1902) (Chiroptera: Phyllostomidae) in southeastern Mexico
  7. Conservation
  8. First description of an immature Sumatran striped rabbit (Nesolagus netscheri), with special reference to the wildlife trade in South Sumatra
  9. The desert hamster Phodopus roborovskii (Satunin, 1903) (Rodentia, Cricetidae) from north-western Tibetan plateau, Ladakh, India: an addition to the mammalian fauna of the Indian subcontinent
  10. Evolutionary biology
  11. Late Pleistocene and Holocene distribution history of the Eurasian beaver in Italy
  12. Third upper molar enlargement in sigmodontine rodents (Cricetidae): morphological disparity and evolutionary convergence
  13. Ethology
  14. Insights into giant armadillo (Priodontes maximus Kerr, 1792) reproduction
  15. Beyond the color: the implications of pigmentation polymorphism in the activity behavior of a Neotropical squirrel
  16. Taxonomy
  17. Quantitative morphological characters of the skull suggest that Akodon oenos (Rodentia, Cricetidae, Sigmodontinae) is not a junior synonym of A. spegazzinii
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