January 7, 2015
Society for Integrative and Comparative Biology (SICB)
Some people say that we become more like our partner as time goes on. Surprisingly, the same seems to be true in the animal world -- studies on compatibility between mates show that individual animals are more successful when they behave in a similar fashion to their mate. New research shows that mating pairs of the bird species known as great tits become more similar in their hormones over time.