Gonzo Lizard South Bay: Loose Reptile News
A large Argentine black and white tegu lizard is on the loose in Santa Clara County, prompting an urgent search by park officials. This invasive reptile, known for devouring bird eggs, poses a serious ecological threat to the local ecosystem. Officials are requesting the public’s assistance, urging anyone who spots the five-foot-long, zebra-striped lizard to report sightings promptly. The Santa Clara County Parks Department is leading the effort to capture the tegu and prevent further disruption. This unfolding story,reported by News directory 3,highlights the challenges of managing non-native species and protecting vulnerable wildlife. Stay informed on the latest developments as the search continues. Discover what’s next for this runaway reptile.
search Underway for Large Lizard in Santa Clara County Park
Updated June 7, 2025
Park officials in santa Clara County are asking for the public’s help in locating a large Argentine black and white tegu lizard that was recently spotted in Joseph D. Grant County Park. The santa Clara County Parks Department is concerned about the impact of this non-native species on the local ecosystem.
The Argentine black and white tegu lizard, an invasive species known for eating bird eggs, can grow up to five feet long and weigh around 10 pounds. Its distinctive black and white stripes make it easily identifiable. Hikers recently photographed the large lizard, prompting the alert.
The presence of this egg-eating lizard poses a threat to native bird populations. Similar infestations in Florida have led to the allowance of hunting tegus without a permit, according to the Florida Fish and Wildlife Conservation Commission. The commission notes that the spread of the Argentine black and white tegu lizard is largely due to escaped or abandoned pets.

Anyone who spots the Argentine black and white tegu lizard is asked to contact the Santa Clara County Parks Department at 408-274-6121. The search for the large lizard continues as officials work to protect the area’s native wildlife from this invasive species.
What’s next
Park officials will continue monitoring the area and working to capture the Argentine black and white tegu lizard to prevent further disruption to the local ecosystem. Further measures might potentially be implemented if additional sightings are reported.
