"""Michael Engelmann, director of the Koethen Zoo, holds up kangaroo joey """"Muffin"""" in Koethen, Germany, 03 March 2016. The ten-week-old Bennett's tree-kangaroo fell from its mother's pouch in mid-February in the Koethen Zoo. Because it can't return, its now growing up in a pillowcase as a replacement for a maternal pouch. (Photo by Sebastian Willnow/EPA)"""
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