For example, the English sparrow was brought to America more than 200 years ago. How long before an introduced species is recognized as a "native" by biologists?
sort by best latest
Good question. According to this Wikipedia entry on indigenous species, I guess the answer would be never.
You can help the HubPages community highlight top quality content by ranking this answer up or down.
This is indeed a profound question; one that makes one contemplate that there may very well be a major flaw in the Native Species vs. Introduced Species debate.
The animal itself will never be recognized as native to a scientist. There might be breeds of a species that are eventually recognized as native in a particular region.
Copyright © 2017 HubPages Inc. and respective owners. Other product and company names shown may be trademarks of their respective owners. HubPages® is a registered Service Mark of HubPages, Inc. HubPages and Hubbers (authors) may earn revenue on this page based on affiliate relationships and advertisements with partners including Amazon, Google, and others.
Copyright © 2017 HubPages Inc. and respective owners.