Search for: [References = "46. Ruegg K.C., Smith T.B., 2002, Not as the crow flies\: a historical explanation for circuitous migration in Swainson's thrush \(Catharus ustulatus\), Proceedings of the Royal Society, Biological Sciences, 269, s. 1375\-1381. https\:\/\/doi.org\/10.1098\/rspb.2002.2032"]