Non-Migrant: Yes. At least some populations of this species do not make significant seasonal migrations. Juvenile dispersal is not considered a migration.
Locally Migrant: Yes. At least some populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).
Locally Migrant: No. No populations of this species make annual migrations of over 200 km.
This species is basically nonmigratory in some areas, but in other areas it makes limited seasonal movements among different habitats. For example, in San Juan County, Utah, females nested within 3.3 km of lek sites, broods remained within 3.0 km of nest sites, and males stayed within 4.0 km of the nearest lek site (Lupis 2005). Females without broods traveled the farthest, moving up to 7.4 km from the lek on which they were captured (Lupis 2005). In the Gunnison basin, 20 of 25 nests were within 6.4 km of the lek on which the female was captured (Young 1994, Apa 2004, Gunnison Sage-grouse Rangewide Steering Committe 2005). Overall, the vast majority of nests are within 6.4 km of the lek of capture (Gunnison Sage-grouse Rangewide Steering Committee 2005). Longer movements sometimes occur. Movements of up to 24 km have been observed in individual Gunnison sage-grouse in the Gunnison Basin population (Phillips 2010, pers. comm., cited by USFWS 2010).Sage-grouse sometimes move 30 km or more between winter range and nesting areas (see Gunnison Sage-grouse Rangewide Steering Committee 2005).
In greater sage-grouse (Centrocercus urophasianus) in northwestern Colorado, median dispersal distance from place of hatching to place of breeding or attempted breeding was 8.8 km for 12 females and 7.4 km for 12 males (Dunn and Braun 1985).
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