compared to other hystricomorph, such as Myoprocta pratti, Cavia porcellus, Galea musteloides, Dolichotis patagonum, Myocastor coypus, Erethizon dorsatum
, Hystrix africaeaustralis, and Cuniculus paca (Rowlands, Tam, & Kleiman, 1970; Challis, Heap, & Illingworth, 1971; Tam, 1973; Louis, Somes, Pryor, & Blankenship, 1986; Van Aarde & Potgieter, 1986; Jakubicka, Barta, Nitray, & Szeleszczukova, 1989; Barta & Jakubicka, 1991; Sweitzer & Holcombre, 1993; Van Wyk, Van Aarde, & Louw, 1994; Ribeiro et al.
Key words: albinism, coat color, Erethizon dorsatum
, isaballine, North American Porcupine
Elitis and Hennon (1987) observed that Sitka spruce (33% damage) appeared to be preferred over western hemlock (15% damage) by Erethizon dorsatum
as a host tree in conifer stands in southeast Alaska.
New distributional record of the North American porcupine Erethizon dorsatum
in Chihuahua, Mexico.
A similar response has been found in North American porcu pines Erethizon dorsatum
, which can adjust to patchy distributions of preferred forage or roost trees and low availability of den sites by increasing home-range size in areas with low predation risk (Coltrane & Sinnott 2013).
Common Name Scientific Name Number of Individuals Masked Shrew Sorex cinereus 8 Northern Short-tailed Shrew Blarina brevicaudata 2 Eastern Mole Scalopus aquaticus 2 Short-tailed Weasel Mustela ermine 1 Eastern Chipmunk Tamias striatus 3 Red Squirrel Tamiasciurus hudsonicus 2 Southern Flying Squirrel Glaucomys volans 2 White-footed Mouse Peromyscus leucopus 7 Southern Red-backed Vole Clethrionomys gapperi 1 Meadow Vole Microtus pennsylvanicus 1 House Mouse Mus musculus 2 North American Porcupine Erethizon dorsatum
1 Unidentified Crayfish Cambarus sp.
I had grown accustomed to the quillwork of the North American First Nations women who embroidered their delicate designs with colourfully dyed, 5-centimetre-long quills of the North American porcupine, Erethizon dorsatum
(North American porcupine; Extirpated).
22 2 Domestic cat Felis domesticus 12 0 Gray fox Urocyon 9 0 cinereoargenteus Domestic dog Canis familiaris 9 0 Squirrel Species unknown 8 0 Coyote Canis latrans 4 0 Raccoon Procyon lotor 2 0 Porcupine Erethizon dorsatum
2 0 Prairie dog Cynomys ludovicianus 2 0 Badger Taxidea taxus 1 0 Opossum Didelphis virginiana 1 0 Bobcat Lynx rufus 1 0 Total 218 21
One new specimen of Erethizon dorsatum
is reported herein, obtained 21 November 1981, in Saunders County to the east of Jones' 1964 line.
Pre-settlement Now Status Rodentia Erethizon dorsatum
, American porcupine yes no native Carnivora Canis lupus, gray worlf yes no native Ursus americanus, black bear yes no native Martes pennanti, fisher yes no native Lautra canadensis, river otter yes no native Felis concolor, mountain lion yes no native Felis rufus, bobcat yes no native Artiodactyla Cervus canadensis, American elk yes no native Bos bison, American bison yes no native Native mammals present in pre- settlement time, extirpated by 1900, then reintroduced.
Key words: diet, Erethizon dorsatum
, facultative specialist, generalist, herbivore, nutrition, Porcupine, selectivity