Routes and Travel Rates of Migrating Peregrine Falcons Falco peregrinus and Swainson's Hawks Buteo swainsoni in the Western Hemisphere

Abstract

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 Avian Biology, Vol. 29, No. 4, Optimal Migration (Dec., 1998), pp. 433-440