Okay. I have not drawn an 'anthro' otter in... well, never. This was tough!!!! I'm still not happy with it; some limbs are too long or short, but it's the best I can do right now. Brian Jaques, now I know what artwork you're talking about! (I'm slow at making connections). That is cool stuff.
But your drawings are nice too, Soph. You have a very distinct style. Looks like LQ has helped a lot, and while I haven't looked at the links, I'm sure there's plenty of help there, probably better help as far as anthros are concerned. Still, I will point out a few things about my drawing in a feeble attempt to help.
Since I don't have any experience with otters (and I couldn't find a pic to reference), my otters have decidedly human proportions; Generally in realism, limbs taper from the torso. The lower leg is shorter than the femur, the foot is shorter than the lower leg, the toes shorter than the foot, etc. Cartoonish characters often reverse this, with huge feet and hands. <edit> Disregard the arm that looks like it's coming out of the basket.
That was a practice arm to verify proper length.<edit>
Foot placement is important, since to make them look 3D, they must occupy a 3D space -note the trapezoids on the ground which represent their 3d 'shadows' if you will.
The long pencil curves are rhythm lines. A rhythm line is a visual representation of an object or body's movement. Awareness of this movement and balance makes for good compositions.
If I were to suggest that you work on improving one element right now, I'd say foot placement. Often times your characters stand with their feet together and they look, uncomfortable. And I'm not quite sure why it is, but it doesn't always look like they have much weight on those feet. Work on making them look solidly planted, even when one foot is in the air or in movement. When you pick up a foot, your body doesn't stay straight, it shifts slighty to one side. Think about how the body must position itself to maintain balance. If you start studying this stuff now, both your people and animal drawings will benefit tremendously in the future. I know I'm still working on it.
LQ, I'm impressed with the 3Dness of your drawing! You already know a lot about muscle structure. To reduce the chunky nature of your drawng though, you must lenghten the limbs. They don't really taper right now.
End of esoteric rambling.
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