More United States tree swallow recoveries

Long-Distance Natal Dispersal in Tree Swallows: Recaptures of Birds with British Columbia Origins in Alberta

“…6 Birds in Ontario seem to be intermediate, with some birds moving southeast to the Atlantic coast while others take a more south or southwestern direction to the Gulf coast. 7 The recoveries that we report here, as well as those previously reported, 4,5 suggest that the migration routes of tree swallows may be more variable than previously thought. Both the 2010 and the 2011 recoveries in Alberta were of tree swallows banded as young in BC and recaptured at 3 years old.…”

“…Assuming they migrated successfully twice and returned, and on the third return stopped in Alberta at distances of 667 km SE and 586 km ESE of their original banding location, both birds at some point crossed the Rocky Mountains. Similarly, while most of the recoveries reported previously 4,5 support the idea that prairie birds follow the Mississippi drainage south, the two Alberta birds recovered in California also suggest that this is not always the case.…”

“…has been recovered in Texas, and one nestling was subsequently captured breeding near a power plant in Ontario. 4,5 and are summarized as follows:…”