Humans are not the only species to show a strong work ethic and scruples. Researchers have found evidence of conscientiousness in insects, reptiles, birds, fish and other critters, such as working hard, paying attention to detail and striving to do the right thing.
Migrant birds that breed in the same area in Europe spread out across all of Africa during the northern winter. A new satellite-tracking study shows that the destination of individual birds is largely determined by the wind conditions they encounter during their first migration.
Despite their reputation as uncaring, absentee moms, cowbird mothers are capable of making sophisticated choices among potential nests in order to give their offspring a better chance of thriving, a new study shows.