If otters experience the uncanny valley, this otter-like spycam seems just enough like an otter for them to accept, but not enough like an otter for them to consider a threat.
Reminder: otter moms tether their pups to seaweed so they don't float away while the mom hunts:
Second reminder: this kind of thing happens, which makes being an otter pup seem like the best gig of all time.
• Cute otters intimately filmed by spy camera (BBC)