| Boeckle, M., Szipl, G., Bugnyar, T. (2018): Raven food calls indicate sender’s age and sex. Frontiers in Zoology 15: 5 | | Language: English | Type: Normal Paper | | Countries where study took place: Austria | | Species: Corvus, -Corvus corax | | Species Full Names: Corvus Linnaeus, 1758Corvus corax Linnaeus, 1758 | | Themes: Methods, - Bird-Ringing/Marking, - Audio recording, Morphology/Anatomy, - Calling, Behaviour | | Full document |
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