10,000 Birds

NOVEMBER 3, 2018

It is also a month when the Law of Diminishing Returns over-took itself. Yellow-billed Duck – Anas undulata. Red-billed Duck – Anas erythrorhyncha. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Rondevlei Nature Reserve.

2018 113

2018 Australia Woodpeckers Los Angeles 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. Plumed Whistling-Duck – Dendrocygna eytoni. Black-bellied Whistling-Duck – Dendrocygna autumnalis. Fulvous Whistling-Duck – Dendrocygna bicolor.

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. Blue-billed Duck – Oxyura australis. Musk Duck – Biziura lobata. Maned Duck – Chenonetta jubata. Big Egg Marsh. Cattle Tyrant – Machetornis rixosa.

2016 100

2016 Sanctuary Ghana Australia 100