Climate change and maladaptive wing shortening in a long-distance migratory bird

Carolina Remacha Sebastián, César Rodríguez, Javier De La Puente & Javier Pérez-Tris
Contemporary phenotypic trends associated with global change are widely documented, but whether such trends always denote trait optimization under changed conditions remains obscure. Natural selection has shaped the wings of long-distance migratory birds to minimize the costs of transport, and new optimal wing shapes could be promoted by migration patterns altered due to global change. Alternatively, wing shape could vary as a correlated response to selection on other traits favoured in a changing environment, eventually...
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