Brightness features of visual signaling traits in young and adult eurasian eagle-owls

• Published in: Journal of Raptor Research
• Main Authors: Bettega, Chiara, Campioni, Letizia, Delgado, María del Mar, Lourenço, Rui, Penteriani, Vincenzo
• Format: Article in Journal/Newspaper
• Language: English
• Published: Raptor Research Foundation 2013
• Subjects: The Throat; White Patch; eurasian eagle-owl
• Online Access: http://hdl.handle.net/10261/76918; https://doi.org/10.3356/JRR-12-00002.1

[IN] Recent research has demonstrated the important role of visual communication in nocturnal birds. Achromatic plumage patches (i.e., pigment-free white feathers) with high levels of contrast against dark backgrounds are excellent candidates for visual signaling in the dark or at twilight, when dif...