ಕೊಂಬಿನ ಗೂಬೆ: ಪರಿಷ್ಕರಣೆಗಳ ನಡುವಿನ ವ್ಯತ್ಯಾಸ

*[http://www.owlpages.com/owls.php?genus=Bubo&species=bubo Eurasian Eagle-Owl] Description, photos and calls

*[http://www.ibercajalav.net/img/268_EagleOwlBbubo.pdf Ageing and sexing (PDF) by Javier Blasco-Zumeta]

[[en:Eurasian Eagle-Owl]]

[[als:Uhu]]