"Almost all creatures have some sort of communication system, sometimes a very elaborate system...Animal communication systems are interesting to study in their own right in order to understand how animals naturally communicate in the wild. Another questions that has interested many researchers is whether humans can teach animals to use language."
Vedrana Mihalicek and Christina Wilson (Eds.) 2011. Language Files: Materials for an Introduction to Language and Linguistics. Columbus: The Ohio State University Press, 568.
Anton Croos, "Mother's Love" 19 June 2011 <https://upload.wikimedia.org/wikipedia/commons/8/85/Mother%27s_love.jpg>
Need Ideas? Here are some areas researchers explore.