In Fort Worth, sightings of alligators in the Trinity River are a positive sign for the environment. The reptiles are native to the area, with the first recorded spotting dating back to 1849. The Fort Worth Nature Center & Refuge is conducting a long-term study to gather more information about the local alligator population.

Staff are using a special research boat to search for alligators in the Trinity River wetlands, looking for the distinctive glint of an alligator's eye to gather data on the population.