http://en.wikipedia.org/wiki/Empathy
"Some students of animal behavior claim that empathy is not restricted to humans as the definition implies. Examples include dolphins saving humans from drowning or from shark attacks, and a multitude of behaviors observed in primates, both in captivity and in the wild. See, for instance, the popular book The Ape and the Sushi Master by Frans de Waal."
"The possibility that empathy resides in parts of the brain so ancient that we share them with rats should give pause to anyone comparing politicians with those poor, underestimated creatures." Frans de Waal
http://www.empathogens.com/empathy/animal.html
"Empathy may not be uniquely human quality:
The ability to empathise is often considered uniquely human, the result of complex reasoning and abstract thought. But it might in fact be an incredibly simple brain process * meaning that there is no reason why monkeys and other animals cannot empathise too.
http://www.percepp.demon.co.uk/lovempat.htm
"Empathy is evolutionarily prior to love. Animals display empathy and manifest it in social groupings and behavior."