A dolphin that residents had named “Moko” helped a stranded whale and her calf find their way back to the ocean.
http://www.cnn.com/2008/WORLD/asiapcf/03/12/nz.whales.ap/index.html
Either the dolphin felt empathy for the whales, or it felt empathy for the people who were trying but failing to rescue the whales.
“After the rescue, Moko returned to the beach and joined in games with local residents…”