Αποτελέσματα Αναζήτησης
Swainson's Hawks in California. The Swainson's hawk (Buteo Swainsoni) was listed as a threatened species in 1983 by the California Fish and Game Commission. This listing was based on loss of habitat and decreased numbers across the state.
Swainson’s Hawk Status Report. The Swainson’s hawk (Buteo swainsoni) is a state-listed threatened species in California and is a Covered Species under the Natomas Basin Habitat Conservation Plan and the Metro Airpark Habitat Conservation Plan.
The range map depicts the boundary of the species' range, defined as the areas where the species is estimated to occur within at least one week within each season.
Swainson's Hawks are broad-winged Buteos of between 48 and 56 cm in length with females slightly larger than males. Males and females have similar plumage. Swainson's Hawks are polymorphic with pale, light and intermediate morph plumage ranging from dark to light or rufous in color.
STATUS. California Threatened and Federal Species of Concern. LIFE HISTORY. Swainson's hawk is diurnal and similar in size to the more common red-tailed hawk (Buteo jamaicensis). There are two distinct color phases (morphs) of Swainson's hawks--light and dark-- with variations in between.
Tracking Talons. We've been studying a population of Swainson's Hawks for over 44 years. As we continue this project, we remain eager to learn more about their ecology, movements, and interactions with other species. We are looking for help funding projects to track both adults and juvenile birds, including their migration routes and important ...
Status. Swainson’s hawk (Buteo swainsoni) is listed as State-Threatened under the California Endangered Species Act (April 17, 1983). It is considered an uncommon breeding resident and migrant in Northern California, and occurs primarily in the Central Valley and on the Northeastern Plateau.
