Gesture practice progress

Hello, I start to upload my gesture practice progress here and looking for critique on how can be improved. I've been drawing for quite a while but it was done all alone with all the materials I found online, so I'd love to share my practice and see how far I can go.

Animal practice
https://docs.google.com/presentation/d/e/2PACX-1vS47WmS45OGtEd9bZyPBy14U-LzUN3hOCGLuQWlvSHSjLhAH4KR0hePz8x_hn509Q6NaGI6Ym_0FDxl/pub?start=false&loop=false&delayms=3000

Figure practice including the tutorial (1st slide) and a class mode practice (2nd slide) 
https://docs.google.com/presentation/d/e/2PACX-1vTd-mK436n8B-fJ9BC_WTK6SYywYYN9EG18JWKUHxBT8cGMAufTUCcaCbEmn89VnPLxh_OI5LYGuHtl/pub?start=false&loop=false&delayms=3000

This is the first time I post here so if there's anything wrong, please let me know

16/11 gesture practice
https://docs.google.com/presentation/d/e/2PACX-1vTHMgUmMh1lOwvYAOt3RTuDk_EO-VoldHoh5D2Hi6kr-GmCrAoFMwKHuHgekf7cvf2ySl3LH2p2DOF8/pub?start=false&loop=false&delayms=3000