Throughout this site reference is made to numerous trademark products or services, including, but not limited to the following.

Texas Master Naturalist™

Texas Parks and Wildlife Department™

Texas Sea Grant™

Texas AgriLife Extension™

Microsoft Word™

Adobe Acrobat™



©2012 Rio Grande Valley Chapter of Texas Master Naturalist

The data and content of this site is the property of the Rio Grande Valley Chapter of Texas Master Naturalist.

No portion of this site may be copied or translated by any means or method, including CD-ROM, without expressed permission from the Chapter Secretary.

Where noted, photographs or graphics may be © of a specific individual. Permission for use of these should be directed to contributing individuals.

©2012 Web page design by Master Naturalist Jimmy Paz with guidance from Jerry Williams

Special thanks to Jerry Williams for the original design of some parts of this site.

The Texas map graphic on the home page is ©2002 Bob Cozby.


This web site, http://www.rgvctmn.org, is managed by the Rio Grande Valley Chapter Texas Master Naturalist. Please be aware that the Rio Grande Valley Chapter Texas Master Naturalist does not make any representations, guarantees, or warranties as to the accuracy, completeness, currency, or suitability of information provided on this site; such information is provided as a public service. The Rio Grande Valley Chapter Texas Master Naturalist specifically disclaims any and all liability for any claims or damages that may result from providing this public-service web site, including any claims or damages sustained from web sites which may be linked to the rgvctmn.org website and maintained by a third party.

The inclusion of company or vendor names, or links to company or vendor names, does not in any way imply endorsement.

The Texas Master NaturalistTM program is a public service program operated by Texas Cooperative Extension and the Texas Parks & Wildlife Department to provide accurate, unbiased natural resources information. The Texas Master NaturalistTM title may not be identified with any particular political viewpoint and may not be used by groups or individuals as they participate in political advocacy. The title is to be used only when doing unpaid volunteer work associated with and approved by the program.