10,000 Birds

NOVEMBER 3, 2018

It is also a month when the Law of Diminishing Returns over-took itself. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Cattle Tyrant – Machetornis rixosa. Philadelphia Vireo – Vireo philadelphicus. 28 May 2018. 28 May 2018.

2018 113

2018 Australia Woodpeckers Sparrows 113

10,000 Birds

FEBRUARY 3, 2018

A line plotted against the law of diminishing returns describes an increasingly downward curve and a lister’s life is destined to follow that decline. Jamaica Bay, Big Egg Marsh. Cattle Egret – Bubulcus ibis. Bonaparte’s Gull – Chroicocephalus philadelphia. Stormwater Treatment Area 5/6.

2018 100

2018 Australia Los Angeles Sacramento 100

10,000 Birds

JULY 2, 2016

The law of diminishing returns brings the inevitability of repeat sightings and has checked the momentum of the combined beats’ list for June. Big Egg Marsh. Cattle Tyrant – Machetornis rixosa. Philadelphia Vireo – Vireo philadelphicus. Mourning Warbler – Geothlypis philadelphia. Los Cartagos.

2016 100

2016 Sanctuary Ghana Australia 100