Invasive Tegu Lizards Survive Cold and Eat Tortoise Babies | Florida News

By KIMBERLY MILLER, The Palm Beach Post

WEST PALM BEACH, Fla. (AP) — The Argentine black and white tegu is multiplying and mobilizing within the backwoods and backyards of the Sunshine State — a creature extra ominous than pythons due to its chilly hardiness and indiscriminate palate.

Wildlife officers have warned for years in regards to the tegu’s growth in South Florida’s amenable subtropical local weather, however now the unusually brainy reptile is colonizing as far north as St. Lucie County with an urge for food for every thing from gopher tortoise infants to bananas.

This month, the Florida Fish and Wildlife Conservation Commission is assembly with federal officers, landowners and college researchers to debate curbing the St. Lucie inhabitants and getting forward of the tegu downside general.


But it’s a race they might already be shedding.

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In 2019, 1,425 tegus have been faraway from the wild — greater than double the quantity trapped in 2015.

“It doesn’t seem like we’ve learned a lesson from our experience with pythons,” mentioned University of Florida wildlife professor Frank Mazzotti, who leads the Croc Docs analysis crew. “If you wait until you see the impact an animal is having, it’s too late.”

UF circulated an up to date truth sheet on the tegu invasion in Florida this month, elevating one other purple flag that “additional resources are critical to address the tegu problem on a larger scale.”

Released and escaped pets in addition to unscrupulous sellers are chargeable for seeding the tegu unfold, Mazzotti mentioned. One of his key issues is the tegu’s urge for food for eggs, whether or not it’s sea turtle, crocodile, alligator, gopher tortoise or hen.


An evaluation of the abdomen content material of 124 tegus included frogs, toads, lizards, snakes, turtles and small mammals. Threatened gopher tortoise hatchlings have been discovered within the intestine of 5 tegus from Central Florida.


“This is the first critter I’ve ever worked with that eats everything, truly everything,” Mazzotti mentioned. “Because they can live in many more places and eat everything, there is not going to be a whole lot to stop them.”

Mazzotti mentioned his analysis crew was shocked in 2019 when it requested for group assist figuring out Nile monitor lizards in Palm Beach County and half of the photographs that have been despatched in have been of tegus.

“Palm Beach County surprised the hell out of us,” he mentioned.

The invasive species monitoring web site EDDMaps lists 43 tegu sightings in Palm Beach County again to 2009. The most up-to-date report was made in May when a metropolis of West Palm Beach worker discovered a tegu within the parking zone of Grassy Waters Preserve.

That’s in comparison with 6,008 stories in Miami-Dade County and 245 in Charlotte County. Both counties have identified breeding populations.

Tegus have additionally been reported in 4 Georgia counties.

“Research and risk assessments conducted show that tegus have a high potential to become the next Burmese python in Florida,” mentioned Larry Williams, Florida ecological providers state supervisor for USGS.


Tegus raised from hatchlings are thought of family pets by some reptile followers. They will be housetrained and “like to be hugged,” Mazzotti mentioned.

They even have sharp tooth and claws and can develop to a size of 4.5 toes.

While there is no such thing as a tegu administration plan in Florida, FWC authorized licensing modifications in February that concentrate on 16 non-native reptiles, together with tegus. The modifications require tegu homeowners to have their animals microchipped with possession data and registered via a free allowing course of.

Also, starting this previous April, no new pet tegus will be acquired in Florida, however present pets can stay with their homeowners till they die. Tegus can’t be imported into Florida however aren’t listed federally as “injurious” wildlife, that means they are often legally introduced into different states the place allowed.

It wasn’t till 2019 that state and federal officers started writing a python administration plan. That was almost 20 years after pythons have been first reported as having a longtime inhabitants in Everglades National Park. In 2012, U.S. Fish and Wildlife listed them as an injurious species, prohibiting importation and cargo.

A administration plan outlines a species historical past, ecological and financial impacts, vary, strategies of management and how completely different companies will work collectively.

Mazzotti mentioned plans are priceless for getting all of the companies on the identical web page.

“It’s not that we don’t know what to do, it’s that we don’t have the resources,” he mentioned. “We have to stop waiting for something terrible to happen for us to respond.”

Copyright 2021 The Associated Press. All rights reserved. This materials might not be revealed, broadcast, rewritten or redistributed.

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