Rufous-bellied Thrush (Turdus rufiventris) Rufous-bellied Thrush (Turdus rufiventris) photo
Fledgling performs wing-shake begging in front of its parent
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For info on wing-shake begging see: Grim T. 2008: Wing-shaking and wing-patch as nestling begging strategies: their importance and evolutionary origins. Journal of Ethology 26(1): 9–15.


Recent material by Tomas Grim