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Populations may cycle approximately every 8 years due to variation in reproduction and juvenile survival. [14] Female annual survival rates vary by age from 0.42 for juveniles to 0.71 for 1–2 year olds, [ 14 ] and very few females (less than 5%) live beyond 3 years of age.
As with most members of the genus, the Eastern Woodrat feeds opportunistically on nuts, seeds, fungi, buds, stems, roots, foliage, and fruits. [1] [15] While the eastern woodrat's nest is typically found on the ground, it is a capable climber and may forage above ground. [2] Eastern Woodrats eat about 5% of their body weight in dry mass each day.
They also eat creosote bushes, thistles, Ephedra, Mustard plants, sagebrush, and buckwheat. They will also eat other green vegetation, seeds , fruits , acorns , and pine nuts . In desert habitats, they are highly dependent upon prickly pear cacti for water balance, although they can be sustained on creosote year-round. [ 3 ]
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Herbivory is of extreme ecological importance and prevalence among insects.Perhaps one third (or 500,000) of all described species are herbivores. [4] Herbivorous insects are by far the most important animal pollinators, and constitute significant prey items for predatory animals, as well as acting as major parasites and predators of plants; parasitic species often induce the formation of galls.
The bushy-tailed woodrat, or packrat (Neotoma cinerea) is a species of rodent in the family Cricetidae found in Canada and the United States. [2] Its natural habitats are boreal forests , temperate forests, dry savanna , temperate shrubland , and temperate grassland .
White-throated woodrat, Neotoma albigula; Bushy-tailed woodrat, Neotoma cinerea; Dusky-footed woodrat, Neotoma fuscipes; Desert woodrat, Neotoma lepida; Large-eared woodrat, Neotoma macrotis; Northern grasshopper mouse, Onychomys leucogaster; Southern grasshopper mouse, Onychomys torridus; Brush mouse, Peromyscus boylii; California mouse ...
Eastern woodrat, Neotoma floridana ; Dusky-footed woodrat, Neotoma fuscipes; Goldman's woodrat, Neotoma goldmani; Desert woodrat, Neotoma lepida ; White-toothed woodrat, Neotoma leucodon; Big-eared woodrat, Neotoma macrotis; Allegheny woodrat, Neotoma magister †San Martin Island woodrat, Neotoma martinensis; Mexican woodrat, Neotoma mexicana