What is this thing?
[H/t ftbt, b/c]
UPDATE: I was willing to accept the "dead otter" hypothesis put forward by commenters until my attention was directed to this by reader Fillameena:
The nurses themselves [who took the pictures] have been posted elsewhere, and staff at the nursing station won’t talk. “We work for the federal government,” said one. “We’re under a gag order.”
Roswell North. The cover-up is well under way.