Sciurus ingrami
| Ingram's squirrel | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Sciuridae |
| Genus: | Sciurus |
| Species: | S. ingrami
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| Binomial name | |
| Sciurus ingrami Thomas, 1901
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Sciurus ingrami, usually called Ingram's squirrel in English, is a squirrel found in South America.[1] It is known as serelepe in southeastern Brazil.[2][3] It is found in the Atlantic Forest Biome of Brazil and Misiones Province, Argentina.[1]
It is regarded variously as a species,[3][4] or as a subspecies of the Brazilian Squirrel Sciurus aestuans[5] or Sciurus (Guerlinguetus) brasiliensis.[1]
It is solitary and territorial, but has been seen to act together and mob a predatory cat, the margay.[6]
Diet
In the moist highland forests of Araucaria angustifolia on the Misiones plateau and surrounding areas this squirrel subsists mostly on the nuts of Syagrus romanzoffiana.[7][8][9][10]
In a secondary Araucaria angustifolia forest in the Parque Recreativo Primavera in the vicinity of the city of Curitiba, Paraná, 1400 hours in a single year's time was spent observing the feeding behaviour of this squirrel. Although it fed on ten plant species, it obtained most of its diet from the nuts of Syagrus romanzoffiana (queen palm) throughout the year, but it punctuated this with peaks of feeding on the seeds of Araucaria angustifolia in the fall and winter, and acorns of the non-native Quercus robur (English oak, as Q. pedunculata in the study) in the summer. Mushrooms were also important in the winter and spring. Other introduced plant species were lesser but substantial food items, as such the seeds of Pinus taeda (loblolly pine) in the winter and the nuts of Castanea sativa (chestnut) in the spring and summer were quite often consumed. Other minor but regular plants were the nuts of the native Butia eriospatha (woolly jelly palm) in the spring and summer, pips of the non-native Eriobotrya japonica (loquat) in the winter, the native Eugenia uniflora in the spring and summer, and the native Rhamnus sphaerosperma in the summer and fall, as well as flowers and tree bark. Symplocos uniflora was a rare food item in the summer.[2]
References
- ^ a b c de Vivo, Mario; Carmignotto, Ana Paula (January 2015). "Family Sciuridae G. Fischer, 1817". In Patton, James L.; Pardiñas, Ulyses F.J.; D'Elía, Guillermo (eds.). Mammals of South America Volume 2, Rodents (1 ed.). Chicago: University of Chicago Press. pp. 13–15. doi:10.7208/chicago/9780226169606.001.0001. ISBN 978-0226169576. Retrieved 11 August 2018.
- ^ a b Bordignon, Marcelo; Monteiro‐Filho, E. L. A. (1999). "Seasonal Food Resources of the Squirrel Sciurus ingrami in a Secondary Araucaria Forest in Southern Brazil". Studies on Neotropical Fauna and Environment. 34 (3): 137–140. doi:10.1076/snfe.34.3.137.8910. Retrieved 15 October 2018.
- ^ a b Bordignon, M.; Monteiro-Filho, E. L. A. (2000). "Behaviour and daily activity of the squirrel Sciurus ingrami in a secondary araucaria forest in southern Brazil". Canadian Journal of Zoology. 78 (10): 1732–1739. doi:10.1139/z00-104.
- ^ Paschoal, M.; Galetti, M. (1995). "Seasonal food use by the neotropical squirrel Sciurus ingrami in Southeastern Brazil". Biotropica. 27 (2): 268–273. doi:10.2307/2389006. JSTOR 2389006.
- ^ Thorington, R.W. Jr; Hoffman, R.S. (2005). "Family Sciuridae". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 759. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ Alberto Solórzano-Filho, J. (2006). "Mobbing of Leopardus wiedii while hunting by a group of Sciurus ingrami in an Araucaria forest of Southeast Brazil / Assaillir du Leopardus wiedii tandis que chasse par un groupe de Sciurus ingrami dans une forêt d'Araucaria de sud-ouest au Brésil". Mammalia. 70 (1–2): 156–157. doi:10.1515/MAMM.2006.031.
- ^ Alves, Briza Cristina; Mendes, Calebe Pereira; Ribeiro, Milton Cezar (January 2018). "Queen palm fruit selection and foraging techniques of squirrels in the Atlantic Forest". Biotropica. 50 (2): 274–281. doi:10.1111/btp.12530. Retrieved 30 August 2018.
- ^ Galetti, Mauro; Paschoal, Maristela; Pedroni, Fernando (February 1992). "Predation on palm nuts (Syagrus romanzoffiana) by squirrels (Sciurus ingrami) in south-east Brazil". Journal of Tropical Ecology. 8 (1): 121–123. doi:10.1017/S0266467400006210.
- ^ Mendes, Calebe Pereira; Cãndido-Jr, José Flávio (June 2014). "Behavior and foraging technique of the Ingram's squirrel Guerlinguetus ingrami (Sciuridae: Rodentia) in an Araucaria moist forest fragment". Zoologia (Curitiba). 31 (3): 209–214. doi:10.1590/S1984-46702014000300001. hdl:11449/109719. ISSN 1984-4670.
- ^ Alvarenga, Cibele A.; Talamoni, Sõnia A. (September 2005). "Nests of the Brazilian squirrel Sciurus ingrami Thomas (Rodentia, Sciuridae)". Revista Brasileira de Zoologia. 22 (3): 816–818. doi:10.1590/S0101-81752005000300048. ISSN 0101-8175.
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