Today’s is of

and on acid free paper.

Find my signature and the date hidden in the picture.

More sketches https://t.co/LmTPLByh1j

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the cave hyaena (Crocuta crocuta spelaea) found all over Eurasia.
1. Cave hyaena skull from Wookey Hole, Devon
2. Spotted hyaena by Charles J Sharp (CC-BY-SA)
3. Cave hyaena jaw from Kirkdale cave, Yorkshire
4. Cave hyaena coprolites by Didier Discouens (CC-BY-SA)

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