Merriam-Webster provides the following defintions for "marathon": 1: a footrace run on an open course usually of 26 miles 385 yards (42.2 kilometers) broadly : a long-distance race2a: an endurance contest2b: something (such as an event, activity, or session) characterized by great length or concentrated effort When the term is used in connection with birding, it is almost always the… Continue reading Marathon Birding
