Segregating the Effects of Seed Traits and Common Ancestry of Hardwood Trees on Eastern Gray Squirrel Foraging Decisions

The evolution of specific seed traits in scatter-hoarded tree species often has been attributed to granivore foraging behavior. However, the degree to which foraging investments and seed traits correlate with phylogenetic relationships among trees remains unexplored. We presented seeds of 23 differe...

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Veröffentlicht in:	PloS one 2015-06, Vol.10 (6), p.e0130942-e0130942
Hauptverfasser:	Sundaram, Mekala, Willoughby, Janna R, Lichti, Nathanael I, Steele, Michael A, Swihart, Robert K
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal behavior Animals Appetitive Behavior - physiology Autocorrelation Axes (reference lines) Betulaceae Biological evolution Carbohydrates Coevolution Dormancy Fagaceae Feeding Behavior - physiology Foraging behavior Granivory Hardwoods Hoarding behavior Investments Juglandaceae Natural resources Phylogenetics Phylogeny Plant evolution Rodents Sciuridae - physiology Sciurus carolinensis Seeds Seeds - chemistry Species Squirrels Tannins - analysis Thin walled shells Trees Variation
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