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    Author(s): Dale M. Becker; Carolyn Hull Sieg
    Date: 1987
    Source: Canadian Field-Naturalist. 101(3): 398-403.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (534.12 KB)

    Description

    Home range size and habitat utilization of three breeding male Richardson’s Merlins (Falco columbarius richardsonii) in southeastern Montana were studied using radio telemetry. Home ranges of these birds encompassed 13,23, and 28 km2. Each bird traveled up to 9 km from its nest. Each home range encompassed five habitats; sagebrush/grassland, riparian, and Ponderosa Pine (Pinus ponderosa) communities were used significantly (p < 0.05) more, and grasslands and agricultural fields less (p < 0.05), than expected, based on the proportions in the combined home ranges. Four sites regularly used by hunting male Merlins indicated preferences for patchy shrub/grasslands as hunting habitats.

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    Citation

    Becker, Dale M.; Sieg, Carolyn Hull. 1987. Home range and habitat utilization of breeding male merlins, Falco columbarius, in southeastern Montana. Canadian Field-Naturalist. 101(3): 398-403.

    Keywords

    Merlin, Falco columbarius, home range, habitat, Montana

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