Chris complains about a bird called the Purple martin and finds another creature called Martin.
It's a relaxing day at Tortuga HQ when Chris comes in complaining about Martin. Confused, the gang soon discovers that Chris means a bird called the Purple martin and not his brother! Chris is not happy about something else named Martin and when a second creature called Martin comes along - he realizes it's not his day. But soon, comes to understand what awesome creatures these "Other Martins" really are. Science Concept: Form for Function.