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To explain the issues I've identified in the article:
The article relies heavily upon the About the Redland page, which strongly appears to be a self-published website. Are there any other sources that could be used, e.g. newspapers? What about the writings of Audubon and Fairchild that show their amazement, for example?
How was the population figure of 10,138 derived from the 2010 US Census, when the Census Bureau hasn't listed Redland as a CDP and defined any borders? What was the specific source used? Is the process of obtaining this figure a form of original research? Wikipedia articles themselves can not be used as a source - this is what the reference is currently suggesting.
Many of the cited links are broken. I cannot get anything out of the American FactFinder, for example - it sends me to Collier County, Florida whenever I put "Redland, Florida" into its search engine. The Historical Markers website is also broken.
Parts of the article sound like a travel guide, especially from the tone used.
The "climate" section sounds more like an "agriculture" section; there needs to be verifiable sources of what grows there, too.