Minimal Number of Birding Sites Needed to Record Every Order?

Imagine a birding trip that would allow you to record at least one species from every taxonomic order - and that the trip included the least number of sites and required the least amount of time to complete. Clearly, certain countries will have to be in the itinerary (e.g., New Zealand, Madagascar) and the timing… Continue reading Minimal Number of Birding Sites Needed to Record Every Order?