Canon EF 100-400 Mk. II vs RF 100-500

A short video discussing performance of Canon EF 100-400 Mk. II compared to the RF 100-500 when adapted to the Canon R5 for bird photography.  The 100-400 was shot with the 1.4x TC Mk. III attached.  

Links to items used in this video:
Canon 800 f/11: https://amzn.to/38gcmh4
Canon 600 f/4 : https://amzn.to/38gcmh4
Canon RF 100-500: https://amzn.to/2Y0VqcA
Canon RF 1.4x TC: https://amzn.to/3sWthib
Mossy Oaks Graphics for lens camo: https://amzn.to/38gcmh4
Canon R5 MILC: https://amzn.to/3Dlv70H

Updated link below as the first one was incorrect. Sorry!

Link to some 100-400+1.4x TC on R5 images: https:https://ronaldbielefeld.smugmug.com/1...

Note: Some of the images are presented cropped for composition only, with no other processing.  Some of the images have alternate versions where Noise Reduction was applied.