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Collaborative List – October 2018

10,000 Birds

It is also a month when the Law of Diminishing Returns over-took itself. Cattle Tyrant – Machetornis rixosa. Philadelphia Vireo – Vireo philadelphicus. Mourning Warbler – Geothlypis philadelphia. Bonaparte’s Gull – Chroicocephalus philadelphia. Cattle Egret – Bubulcus ibis.

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Collaborative List – January 2018

10,000 Birds

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. Cattle Egret – Bubulcus ibis. Bonaparte’s Gull – Chroicocephalus philadelphia. Mourning Warbler – Geothlypis philadelphia. 01 Jan 2018.

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Combined Beats List – June 2016

10,000 Birds

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

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