2010 Cattle Research Software 
10,000 Birds
OCTOBER 1, 2016
This is not an exhaustive list as a few of the beats do not use compatible listing software, or have reservations about revealing sightings of sensitive birds. International Birding and Research Center Eilat (IBRCE). Cattle Egret – Bubulcus ibis. International Birding and Research Center Eilat (IBRCE). 04 Aug 2016.
10,000 Birds
JANUARY 5, 2019
A big thank you must also go to eBird whose listing software makes it possible. Hopland Research and Extension Center (restricted access). Cattle Egret – Bubulcus ibis. Cattle Tyrant – Machetornis rixosa. Hopland Research and Extension Center (restricted access). Alphabetic Taxonomic. 23 May 2018.
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