
Species

Elevation category

Sample size

Historic Range (m)

Modern Range (m)

ΔRange (m)

Significance of change


Goldenmantled ground squirrel

Callospermophilus lateralis

High

H: n = 19; M: n = 35

1647 to 3161

1951 to 3255

−210

Contract

Lodgepole chipmunk

Tamias speciosus

High

H: n = 37; M: n = 46

1878 to 3281

1881 to 3255

−30

No shift

Western jumping mouse

Zapus princeps

High

H: n = 18; M: n = 27

1251 to 3281

1424 to 3131

−323

Contract

Longtailed vole

Microtus longicaudus

LowHigh

H: n = 28; M: n = 55

583 to 3281

1227 to 3255

−670

Contract

Brush mouse

Peromyscus boylii

Low

H: n = 19; M: n = 33

251 to 2464

57 to 2495

224

No shift

Deer mouse

Peromyscus maniculatus

LowHigh

H: n = 34; M: n = 97

52 to 3281

50 to 3255

−25

No shift

California ground squirrel

Otospermophilus beecheyi

Low

H: n = 16; M: n = 17

52 to 2632

57 to 2784

147

No shift

Western harvest mouse

Reithrodontomys megalotis

Low

H: n = 15; M: n = 17

52 to 1068

57 to 1016

−57

No shift

 Occupancy modelling based prediction of range expansions and contractions were considered the “true” range shifts. “H” and “M” indicate the historic (1911–1940) and modern (1971–2010) time periods. Sample size denotes the number of presences for each time period used to train the SDMs