This was writer is from the US Department of Agriculture / Animal and Plant Health Inspection Service / ADC - which is who USFW report to. Their own officers states: The USFWS needs to recognized the economic, health and nuisance problems created by this invading species and consider management operation including population reduction as well as changes in treaties, laws and polices. It was written in 1991!
Here is another one written by USDA regarding invasive species
12 Invasive Predators: a synthesis of the past,
present, and future
“…if all the animals and plants of Great Britain were set free in New
Zealand, a multitude of British forms would over the course of time
become thoroughly naturalized there, and would exterminate many of the
natives.” Darwin 1872
William C. Pitt
1
Station, P.O. Box 10880, Hilo, Hawaii 96721;
National Wildlife Research Center, 4101 LaPorte Avenue, Fort Collins,
Colorado 80521
12.3.2 Birds - Cattle Egrets
1 and Gary W. Witmer2USDA/APHIS/WS, National Wildlife Research Center, Hawaii Field2USDA/APHIS/WS,
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