10,000 Birds

APRIL 3, 2018

“The Purpose of Field Guides: Taxonomy vs. Utility,” co-authored with Brian Sullivan, Michael O’Brien, Chris Wood, Ian Lewington, and Richard Crossley ( Birding , November 2009) proposed a standard avian species order for field guides, apart from the ever-changing AOS taxonomic order. Species are useful handles (p.

Birds 137

Birds North America 2012 America 137

10,000 Birds

OCTOBER 5, 2021

Dragonflies and Damselflies of Costa Rica: A Field Guide covers 113 damselfly species and 170 dragonfly species, a total of 283 species. Wait–that adds up to 290 species, but the book only covers 283. .* Wait–that adds up to 290 species, but the book only covers 283. Paulson, William A. INTRODUCTION.

Costa Rica 257

Costa Rica North America Family Species 257

10,000 Birds

JANUARY 5, 2019

In reverse order, the medals were awarded for “most species seen in a country”, to Australia with 420, USA got the silver, scoring 556 while the runaway winner was Costa Rica with 646 species. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail.

2018 113

2018 Australia Woodpeckers Sparrows 113

10,000 Birds

NOVEMBER 3, 2018

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. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail.

2018 113

2018 Australia Woodpeckers Sparrows 113

10,000 Birds

OCTOBER 6, 2018

They noted 598 species as a team, bringing the year total to 2118 and pushing the life list to 3555. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail.

2018 113

2018 Australia Woodpeckers Sparrows 113

10,000 Birds

DECEMBER 1, 2018

8 beats shared 126 checklists accounting for 704 species. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. 07 Jan 2018. 06 Jan 2018. 09 Jan 2018.

2018 113

2018 Australia Woodpeckers Sparrows 113