Giant otter, Xingu

He was hoping for an 11 am feed which did not materialise. Young adult male, giant otter pool, Chester, 5th March 2012

Great shot Gentle Lemur. Do the Chester giant otters vocalize much?

The ones at the LA Zoo are constantly screeching. I was told once by a colleague who had done some work in Manu National Park in Peru on macaws that when he first heard a family of giant otters screeching it was extremely scary because it sounded like someone was getting killed.

They certainly vocalise a lot - plenty of screeching, but sometimes rather more gentle cries too. There is a sign on their exhibit saying that giant otters are the noisiest species of otters, which I can easily believe.
The zoo has also put up signs saying that they are most likely to be active at 11 am , 12.30 and 3 pm (I may remembered the last two incorrectly) and I think they are fed at one or two of these times each day - but not on a regular schedule, which is a sort of enrichment. They both made a lot of noise when their 11 am fishes did not arrive

Alan

The two at the New Forest Park (brothers from the Chestnut Centre) behaved exactly the same of course. I was lucky when I found their enclosure they were waiting for their midmorning feed, it was late and they came galloping over expectantly as if I was the keeper(there was no one else about) and made lots of whining and whickering noises.

Later they disappeared indoors to sleep but then re-appeared about an hour before the next advertised p.m. feed and started cleaning up a few fish they had left lying around the pond from the previous feed. They carried these into the water and carefully washed the dirt off them before crunching them up.