HARLINGEN - Harlingen’s Hugh Ramsey Nature Park boasts 250 some species of Rio Grande Valley native plants, shrubs, trees, cactus and the untold numbers of birds, butterflies and critters that use this native habitat. Rio Grande Valley Chapter, Texas Master Naturalist volunteers maintain Ebony Loop’s specialty gardens, working as a team every Thursday morning from 9 to 11 a.m. Many Winter Texans and local residents work alongside the naturalists. Volunteers are always welcome. In addition to the Thursday morning volunteer opportunity, Texas master naturalists offer free guided native plant tours on the first Friday and third Saturday each month through May 2020. There’s ...