Masks or no, the otters at the Aquatarium at Tall Ships Landing in Brockville, Ontario, know exactly who’s in their den space.
“They really recognize us more by our smell and our boots,” said Jennipher Carter, senior aquarist at the Aquatarium. For the otters at least, adjusting to their caretakers all wearing masks didn’t take long.
Great Lakes Now
https://www.greatlakesnow.org/2020/05/ontario-aquatarium-covid-19-virtual-engagement/