Tag: Reptiles

May 31, 2022

Without predators, introduced chameleons get brighter

A lack of predators brings out the color in chameleons introduced to Hawaii. Jackson’s chameleons (Trioceros jacksonii) were introduced to Oahu in the 1970s after being released by a pet store...

April 15, 2022

Wood turtles have lost more than half of their suitable habitat

Wood turtles have likely lost more than half of their suitable habitat over the last century and a half. Habitat changes from urbanization and agriculture have caused researchers to become...

February 18, 2022

JWM: Crows contribute to Karoo dwarf tortoise decline

Human-created structures like windmills and telephone poles are giving crows and ravens a place to nest, enabling them to colonize treeless areas where they prey on young, endangered Karoo dwarf...

February 10, 2022

Do albino snakes face higher predation risk?

Researchers have often wondered whether albino prey may be more susceptible to predation—especially in cases where the prey relies on certain color patterns to camouflage better with their surroundings. But...

January 27, 2022

Densely packed invasive anoles outcompete natives

Invasive brown anoles might outcompete their native cousins in the southeastern U.S. merely by living more densely. Brown anoles (Anolis sagrei) inadvertently came to Florida in the 1800s by tagging...

January 21, 2022

Small loggerhead females nesting in southeastern U.S.

Kristen Hart has been surveying a number of nesting loggerhead sea turtle populations for years. Like most turtle ecologists, she knows that the females don’t typically start nesting unless they...

January 10, 2022

Wild Cam: Marine protected areas help hawksbills

Most of the islands in the Gulf of California are uninhabited, but for generations, a fishing family has lived on El Pardito Island in the southwestern end near La Paz....

December 1, 2021

Endangered leopard lizards need suite of habitat features

Endangered leopard lizards in central California rely on habitat features created by another endangered species—giant kangaroo rats. Blunt-nosed leopard lizards (Gambelia sila) are only found in California’s San Joaquin Valley,...

November 10, 2021

TWS2021: Eating fire ants may protect fence lizards

Eastern fence lizards may be eating their way to immunity from invasive ant venom in the Southeastern United States. Red imported fire ants (Solenopsis invicta) were first introduced to states...

November 3, 2021

TWS2021: Using reptile scat to monitor endangered species

Surveying and monitoring endangered lizards can be difficult. The species tend to be cryptic. Permits are hard to come by. And biologists often try to avoid disturbing the lizards while...