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. Barn Owl – Tyto alba. Crested Owl – Lophostrix cristata. Spectacled Owl – Pulsatrix perspicillata. Zebra Finch – Taeniopygia guttata.

2018 100

2018 Australia Los Angeles Sacramento 100

10,000 Birds

NOVEMBER 3, 2018

It is also a month when the Law of Diminishing Returns over-took itself. Zebra Dove – Geopelia striata. Barn Owl – Tyto alba. Zebra Finch – Taeniopygia guttata. The beats have now contributed more checklists than birds. This is inevitable even when the beats are so spread out. Jeriau Waterfall.

2018 113

2018 Australia Woodpeckers Sparrows 113

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. Barn Owl – Tyto alba. Zebra Finch – Taeniopygia guttata. Despite recording 370 species during the month, the list total has advanced by just 45. South Platte Park.

2016 100

2016 Sanctuary Ghana Australia 100