title: Stress associated with group living in a long-lived bird.
authors: Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland. nuriselva@gmail.com
authors: Nuria
authors: N
authors: Selva
authors: Ainara
authors: A
authors: Cortés-Avizanda
authors: Guillermo
authors: G
authors: Blanco
authors: Thomas
authors: T
authors: Mueller
authors: Bernd
authors: B
authors: Heinrich
authors: José A
authors: JA
authors: Donázar