Violet-green Swallow
Tachycineta thalassina
Synopsis:
Widespread breeder in tree cavities, nest boxes, buildings, and rock
crevices throughout the state, though less regularly
encountered in rangelands.
Habitat Associations:
More closely tied to availability of
suitable nest cavities than to a particular vegetation
type.
strongest
Aspen Groves (22267 acres)
Northeast Canyon Grass & Shrubland (397761 acres)
Subalpine Scattered Trees & Shrubs (66104 acres)
Edges of Recently Cutover/Burnt Forest (1772027 acres)
Urban/Residential (611744 acres)
Western Oregon Riverine Woodland (27749 acres)
strong
Douglas Fir-W. Hemlock-W. Red Cedar Forest (6592241 acres)
W. Juniper Woodland (3346402 acres)
Mountain Mahogany Shrubland (1378 acres)
Subalpine Grassland (66409 acres)
Grassland & Fir-Ponderosa Interspersed (335178 acres)
Northeast Modified Grassland (845391 acres)
Coastal Headland Grass & Shrubland (2285 acres)
Edges of Cropland/Pasture/Orchard (5849791 acres)
Coastal Dunes & Ponds with Widely Scattered Shrubs/Trees (43358 acres)
Streamside/Wetland Shrubland (2171 acres)
some
Sitka Spruce-W. Hemlock Maritime Forest (402570 acres)
Subalpine Fir-Lodgepole Pine Montane Conifer (614418 acres)
Ponderosa-Lodgepole Pine on Pumice (1282656 acres)
Mixed Conifer/Mixed Deciduous Forest (1428540 acres)
South coast Mixed Forest (2888 acres)
Big Sagebrush Shrubland (9899983 acres)
Lake/Pond Shoreline & Islands (606498 acres)
lesser
Ponderosa Pine-W. Juniper Woodland (174663 acres)
Red Alder (125162 acres)
Siskiyou Mtns Shrubland on Serpentine Bedrock (21829 acres)
Manzanita-dominant Shrubland (15410 acres)
Wet Montane Meadow (2101 acres)
Seasonally Wet Playa (47323 acres)
Lava/Pumice with Widely Scattered Trees/Shrubs (128599 acres)
Edges of Freshwater Marsh (9090 acres)
Relative Detectability:
Easy to spot and to confirm breeding.
Challenge:
Determine if species is more widespread than shown in Harney,
Malheur, and northern Baker Counties.