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Amphibians, Reptiles, & Natural History

Chytrid fungus detected in Madagascar frog species

JCM

posted on

February 27, 2015

Chytrid fungus was proved present on Platypelis pollicaris from Ranomafana. Photo Credit: Miguel Vences / TU Braunschweig The chytrid fungus, which is fatal to amphibians, has been detected in Madagascar for the first time. This means that the chytridiomycosis pandemic, which has been largely responsible for the decimation of the salamander, frog and toad populations in…
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A Miocene radiation of crocs in the Pebas Wetland

JCM

posted on

February 26, 2015

The massive wetlands once covered the Amazon River basin about 13 million years ago during the late middle Miocene. Three newly discovered species of crocodylians, including Kuttanacaiman iquitosensis (left), Caiman wannlangstoni (right) and Gnatusuchus pebasensis (bottom), look for clams, which they could likely scoop up with their mouths and crunch with their peglike teeth. Artist…
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New drug potential from Heloderma

JCM

posted on

February 25, 2015

Heloderma suspectum Lizards and other reptiles are not normally considered venomous, but a number of lizard species actually do produce and use venom. The most classic venomous lizard is no doubt the gila monster — a heavy-bodied lizard. As the first in the world, a group of researchers has made a comprehensive description of the…
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The Spider-tailed Viper in action

JCM

posted on

February 19, 2015

The following video was sent to me by Patrick Prévost (Amneville Zoo, France). Video of captives moving their tail on a sand substrate have been available on You-Tube. This video shows a snake catching a bird. Sorry about the ad!
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A second chance for two Australian sea snakes (Aipysurus) presumed extinct

JCM

posted on

February 19, 2015

Photographs A,C: A. apraefrontalis (SAMA R68142) from Ashmore Reef; and B, D:Aipysurus foliosquama (WAM R150365) from Barrow Island. One in five reptile species are estimated to be at risk of extinction and many are thought to have become extinct within the last 50 years. Threats to reptiles include habitat loss and degradation, climate warming, and overharvest for…
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Body size and extinction

JCM

posted on

February 19, 2015

A new University of Toronto study may force scientists to rethink what is behind the mass extinction of amphibians occurring worldwide in the face of climate change, disease and habitat loss. The old cliché “size matters” is in fact the gist of the findings by graduate student Stephen De Lisle and Professor Locke Rowe…
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Coral snake venom targets GABA(A) receptors

JCM

posted on

February 10, 2015

The rare coral snake Micrurus mipartitus (type locality, Caracas, Venezuela). Credit: Alejandro Solórzano For more than a decade, a vial of rare snake venom refused to give up its secret formula for lethality; its toxins had no effect on the proteins that most venoms target. Finally, an international team of researchers figured out its recipe: a toxin…
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World Snake Day is July 16. The day is important to the conservation of snakes. Snakes live on every continent except Antarctica and can vary from the longest species, the reticulated python, to the smallest Barbados Threadsnake. Snakes try to avoid human contact. They consider humans predators. Venomous snakes (and many) use their venom to obtain food and only use it for defense when forced to. World Snake Day can help remove people's fears and illusions about snakes, and help them gain recognition as a marvelous adaptable apex species. World Snake Day can be used to educate and inform people about how to deal with snakes. Let's not mis this opportunity.

August 14th is World Lizard Day. It's the perfect time to show some love for these remarkable creatures that have been sharing our planet since the time of the dinosaurs. With over 6,000 known species, lizards come in all sorts of shapes, sizes, colors, and patterns, and you can find them on every continent except Antarctica. But why should we celebrate lizards, you ask? Well, they're not just cool to observe in their natural habitats but also essential players in many ecosystems. Lizards help keep insect populations in check, which is vital to our ecosystems. So, let's give these amazing creatures the recognition they deserve on this special day! tems worldwide.

These extraordinary beings don’t merely excavate burrows that become abodes for various other species; they also provide a valuable service by assisting in maintaining the cleanliness of our beaches. Their diet includes the remains of deceased fish that wash ashore, making a substantial contribution to ecological equilibrium. This underscores the profound significance of safeguarding these gentle creatures.

World Turtle Day stands as an occasion specially designated to celebrate and protect both of these remarkable creatures. Its origins can be traced back to 2002 when American Tortoise Rescue introduced this meaningful event. It casts a spotlight on the myriad challenges that turtles and tortoises confront due to human intervention and environmental hazards. On this special day, educational institutions, rescue centers, and nature enthusiasts unite to deepen their understanding of these creatures and pledge unwavering commitments to their preservation.

Here are some impactful ways in which you can actively participate in the endeavor to safeguard these exceptional animals: Adopt a Turtle or Tortoise: Contemplate adopting a turtle or tortoise from a rescue shelter. These low-maintenance creatures make ideal companions, especially for families with young children.

Post List #4

California Kingsnake from se Arizona

Invasive Snakes refugia

Microhabitat use by the California Kingsnake in the Canary Islands

JCM Jan 14, 2026 3 min read

In this study, Maestresalas et al. (2026) characterize the shelter-use regime and the biotic and abiotic factors driving microhabitat selection by California kingsnake shelters on Gran Canaria, in the Canary Islands. The intent is to help inform management. They expected that…

The Pacific tree frog (Pseudacris regilla), also known as the Pacific chorus frog, has a range spanning the Pacific Northwest, from Northern California, Oregon, and Washington to British Columbia in Canada and extreme southern Alaska. They live from sea level to more than 10,000 feet in many types of habitats, reproducing in aquatic settings. They occur in shades of greens or browns and can change colors over periods of hours and weeks.

Pacific Treefrogs, one, two, or three species?

JCM Oct 16, 2025 2 min read

Evolutionary divergence in sexual signals may lead to and maintain reproductive isolation between populations. Both selective forces—such as ecological and sexual selection—and random processes like genetic drift may influence the…

A female Burmese python with eggs.

Burmese Python Nest in Great Cypress Swamp

JCM Oct 16, 2025 3 min read

Lisa McBride, a U.S. Geological Survey (USGS) biologist, led a study to document a record-setting Burmese python nest found in Big Cypress National Preserve in 2022. McBride’s work details the…

Jurassic reptile fossil discovery blurs the line between snake and lizard

Jurassic reptile fossil discovery blurs the line between snake and lizard

JCM Oct 7, 2025 3 min read

by American Museum of Natural History edited by Sadie Harley, reviewed by Robert Egan New research has uncovered a species of hook-toothed lizard that lived about 167 million years ago and has a…

Riama, a light bulb lizard from Ecuador

Discovering the lightbulb lizards of Ecuador

JCM Oct 7, 2025 2 min read

Alejandro Arteaga, a herpetologist in Ecuador sent out out the following email. If you have the resources for helping Alejandro I encourage you to do so. Today, I want to…