You've certainly made progress here, although what jumps out at me most is that you came back with your revisions rather quickly, within a couple days. Not to say you couldn't have put in loads of effort into each individual drawing, and I'm certain you have - but there is something to be said about the unwitting tendency to go through things perhaps a little more quickly when you know you're going to be doing more than one drawing in a given sitting. Also, when you receive feedback, there can be an innate desire to jump right back into the fray to correct those things, to the point that we don't necessarily reflect enough on the feedback we'd received enough before starting.

Now, I don't see any major signs of rushing, but that's just a general human behaviour and tendency to be aware of.

Looking over your work, as I mentioned you've definitely shown progress on the areas I mentioned. I did however notice certain tendencies, and they were most visible in the elephant drawing. So, I went ahead and marked them out here. As this is just a revision, I won't be going through each point as I did previously in the interest of time, so you'll have to take some care in parsing out the various notes.

One thing I do want to draw special attention to however is the tendency to add those additional forms as individual, lonely elements, that do a better job of wrapping around the underlying structure, but still tend to feel something like separate islands rather than integrating more with one another. Alternatively, you can see in the puma demo for instance, how those additional forms can instead be added in greater quantity, integrated with one another, to flesh out the musculature of the entire body. It's not that you have to cover everything, but in circumstances where they do feel like they're standing out, studying your reference more closely to find other areas where bulk may be merited can definitely help.

You can also see something similar with the dog leg demo here, how there's a lot of different forms being wrapped around the structure, not just a few key spots.

You are definitely moving in the right direction but I would like to see just a little bit more, with these points kept in mind. Please do two additional animal drawings, and stick to just one such drawing per day (rather than doing them both in the same sitting).