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Swainson's Hawk Buteo swainsoni
This species is largely a migrant through the region, though I have occasionally seen what were probably wintering birds. During spring and autumn the migrating flocks can be spectacular with many hundreds and even thousands of birds migrating at once, often with large groups of Broad-winged Hawks and Turkey Vultures. They tend to migrate through the central highlands, though they are also seen in much smaller numbers in with large flocks of Turkey Vultures that tend to migrate more along the coastal plain. Early one morning in November, I saw large numbers taking off from a couple of the uninhabited islands in the Gulf of Fonseca, where they seemed to have roosted for the night.
Swainsons Hawk Coyolito Nov 05 (11)