10,000 Birds

MAY 7, 2019

So, for example, Essay #15, “Individual Variation,” uses Herring Gulls to introduce the concept that one species, even one species at a specific age, can vary widely in appearance. The Checklist is more than a taxonomic listing of species and chapter number and title; it also contains useful notes on each bird family.

Birds 116

Birds North America Breeding America 116

10,000 Birds

APRIL 10, 2018

For example, the Profile Page (mine is below) displayed state-level checklist information as a map with darker shades indicating more species observed and lighter shades indicating fewer. But I had spent years in Ann Arbor attending law school at the University of Michigan, albeit before I started birding. Those differences matter.

District of Columbia 124

District of Columbia Puerto Rico Michigan Colorado 124

10,000 Birds

NOVEMBER 3, 2018

It is also a month when the Law of Diminishing Returns over-took itself. During October, 7 countries (Costa Rica, Australia, USA, India, Hong Kong, UK, Serbia) were birded by 11 beats who shared 135 checklists and noted 697 species. US-ND-Little Missouri National Grassland (46.5556,-103.4306). Alphabetic Taxonomic.

2018 113

2018 Australia Woodpeckers Sparrows 113