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feeding only on plants

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(動物が)草食の

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/05/31 00:52:58」(JST)

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In zoology, a graminivore (not to be confused with a granivore) is an herbivorous animal that feeds primarily on grass^[1] (specifically "true" grasses, plants of the family Poaceae). The word is derived from Latin graminis, meaning "grass", and vorare, meaning "to eat."^[2] Graminivory is a form of grazing.

Horses, cattle, capybara, hippopotamuses, grasshoppers, geese, and giant pandas are examples of graminivores. Some carnivores, such as dogs and cats, are known to eat grass occasionally.

Red kangaroo eating grass
Horses also eat grass
A capybara grazing at Hattiesburg Zoo

References

^ Graminivorous - Definition and More from the Free Merriam-Webster Dictionary
^ Graminivorous | Define Graminivorous at Dictionary.com

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English Journal

Delayed induced silica defences in grasses and their potential for destabilising herbivore population dynamics.

Reynolds JJ, Lambin X, Massey FP, Reidinger S, Sherratt JA, Smith MJ, White A, Hartley SE.SourceDepartment of Mathematics and the Maxwell Institute for Mathematical Sciences, Heriot-Watt University, Edinburgh, Scotland, UK. jjr6@hw.ac.uk
Oecologia.Oecologia.2012 Oct;170(2):445-56. doi: 10.1007/s00442-012-2326-8. Epub 2012 Apr 21.
Some grass species mount a defensive response to grazing by increasing their rate of uptake of silica from the soil and depositing it as abrasive granules in their leaves. Increased plant silica levels reduce food quality for herbivores that feed on these grasses. Here we provide empirical evidence
PMID 22526942

Tolerance to dietary phenolics and diet breadth in three seed-eating birds: implications for Graminivory.

Ríos JM, Mangione AM, Marone L.SourceLaboratory of Nutritional Ecology, Multidisciplinary Institute of Biological Research (IMIBIO), CCT-CONICET San Luis, San Luis, Argentina.
Journal of experimental zoology. Part A, Ecological genetics and physiology.J Exp Zool A Ecol Genet Physiol.2012 Aug;317(7):425-33. doi: 10.1002/jez.1735. Epub 2012 Jun 13.
The ability to cope with plant secondary compounds (PSCs) has profound implications for an animal's behavior. In the present study, we assessed the tolerance to dietary phenolics in three seed-eating birds: Zonotrichia capensis, Saltatricula multicolor, and Diuca diuca, which differ in their diet br
PMID 22696310

Guild composition and habitat use of voles in 2 forest landscapes in south-eastern Norway.

Gorini L, Linnell JD, Boitani L, Hauptmann U, Odden M, Wegge P, Nilsen EB.SourceDepartment of Animal and Human Biology, Sapienza University of Rome, Rome, Italy. lucrezia.gorini@hihm.no
Integrative zoology.Integr Zool.2011 Dec;6(4):299-310. doi: 10.1111/j.1749-4877.2011.00258.x.
It is widely believed that intensive forestry has influenced small mammal population dynamics, and thereby the entire mammalian community in Fennoscandian boreal forests. The nature of these impacts on the different species is subject to debate. We live-trapped voles between 2006 and 2009 in 2 comme
PMID 22182322