Great tits (Parus major) reduce body mass in response to wing area reduction: a fieldexperiment

Flight performance is crucial in determining whether a small bird will survive an attack by a predator. Given the importanceof body mass in determining flight performance, it has been suggested that birds should strategically regulate body mass as aresponse to predation risk. However, all experiments up to now have been carried out with captive b

Joan Carles Senar, Jordi Dome nech, and Francesc Uribe, Behavioral Ecology Vol. 13 No. 6: 725-727