Object Details Collector Charles E. Bendire Record Last Modified 6 Jun 2022 Specimen Count 1 Collection Date 17 May 1878 Accession Number 000000 USNM Number B20728 Preparation Egg (s) Sex unknown ...

We tested such a prediction using moulted wing and tail feathers of the long-distance migrant Swainson's hawk Buteo swainsoni in its Argentinean wintering quarters. We recorded the occurrence of fault ...

The Swainson’s Hawk (Buteo swainsoni) is a large bird of prey that occurs throughout the plains of North America, from southern Canada southward to Texas. Throughout its North American range, it ...

Mark R. Fuller, William S. Seegar, Linda S. Schueck, Routes and Travel Rates of Migrating Peregrine Falcons Falco peregrinus and Swainson's Hawks Buteo swainsoni in the Western Hemisphere, Journal of ...