![]() | Avian Flight John J Videler holds two academic positions, Professor of Evolutionary Mechanics at Leiden University, and Professor of Marine Zoology at Groningen University, The Netherlands. |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)
![]() | Avian Flight John J Videler holds two academic positions, Professor of Evolutionary Mechanics at Leiden University, and Professor of Marine Zoology at Groningen University, The Netherlands. |