For rigs breakdown, please check below links:
Bird Rig Breakdowns:
-------------------------
Robin Rig
https://vimeo.com/225111773
https://vimeo.com/145867286
Crow Rig & Scripting Reel
https://vimeo.com/141801463
Quadruped Rig Breakdowns:
---------------------------------
Impala Rig
https://vimeo.com/403978989
Horse Rig:
https://vimeo.com/411324915
Greyhound Rig:
https://vimeo.com/410199088
Elephant Rig:
https://vimeo.com/431302519