Range of Cattle Egret, Bubulcus ibis
The expansion of the range of the Old World cattle egret across eastern U. S. can be followed
using the range maps for the bird published in field guides of different copyright dates.
Only Peterson (on the left) and Golden (on the right) Guides are used.
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Peterson, Eastern U.S., 1947 Index (no entry for Egret, Cattle)
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Golden, 1966
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Peterson, Eastern U.S., 1980
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Golden, 1983
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Peterson, West/East U.S., 1990/2002 |
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Golden, 2001
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