Species: Vireo cassinii

Cassin's Vireo
Species
    Kingdom
    Animalia
    Phylum
    Craniata
    Class

    Aves

    Order

    Passeriformes

    Family

    Vireonidae

    Genus

    Vireo

    Classification
    Other Global Common Names
    Vireo de Cassin - Viréo de Cassin
    Informal Taxonomy
    Animals, Vertebrates - Birds - Perching Birds
    Formal Taxonomy
    Animalia - Craniata - Aves - Passeriformes - Vireonidae - Vireo - V. S. ALTICOLA) also may deserve species status (based on differences in voice and mtDNA base sequences). See Johnson et al. (1988) and Murray et al. (1994) for analyses of the phylogenetic relationships among vireos.
    Short General Description
    A small bird (vireo).
    Migration
    false - true - true - Populations in North America are long-distance migrants (Terres 1980). Populations in southern Baja California apparently resident (Howell and Webb 1995).
    Non-migrant
    false
    Locally Migrant
    true
    NatureServe Global Status Rank
    G5
    Global Status Last Reviewed
    1997-08-20
    Global Status Last Changed
    1997-08-20
    Other Status

    LC - Least concern

    Conservation Status Map
    <img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.AB=SNR&CA.BC=S5&US.AZ=__&US.CA=SNR&US.ID=S5&US.MT=S4&US.NV=S3&US.NM=__&US.OR=S4&US.UT=__&US.WA=S4" alt="Conservation Status Map" style="width: 475px; height: auto;" />
    Global Range
    H - >2,500,000 square km (greater than 1,000,000 square miles) - H - BREEDING: mountains of western North America from southern British Columbia, northern Idaho, and northwestern Montana south throuh Washington, Oregon, western Idaho, and California to northern Baja California; southern Baja California. NON-BREEDING: southwestern U.S. and northern Mexico south to Guatemala (Sibley and Monroe 1990, Johnson 1995).
    Global Range Code
    H
    Global Range Description
    >2,500,000 square km (greater than 1,000,000 square miles)
    ELEMENT_GLOBAL.2.100146