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Amphibians, Reptiles, & Natural History

Natural History collections are more important now than they were 10 years ago.

JCM

posted on

September 19, 2023

Our knowledge of the biodiversity of Asia and Australasia continues to expand with more focused studies on the systematics of various groups and their biogeography. Historically, fluctuating sea levels and cyclic connection and separation of now-disjunct landmasses have been invoked to explain the accumulation of biodiversity via species pump mechanisms. However, recent research has shown…
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An endemic, highly aquatic homalopsid snake from Sulawesi

JCM

posted on

July 11, 2023

A recent paper (Hamidy et al 2023) describes a new homalopsid snake species, Hypsiscopus indonesiensis. The new snake is restricted to Lake Towuti on the island of Sulawesi. Hypsiscopus indonesiensis were collected from a shady area with a water depth of about 10–15 cm and one m from the land. The new species is assigned…
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Dry season snake harvest at Tonle Sap

JCM

posted on

April 6, 2023

The following is an abstract and some lightly edited text from English et al. (2023) on the Tonle Sap aquatic snake harvest. The paper can be found by clicking here. The Tonlé Sap Lake is a rich ecosystem, although many of its aquatic species have been depleted by overharvesting. We assessed the quantity and composition…
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What is the world’s smallest advanced snake?

JCM

posted on

July 27, 2021

The Barbados Threadsnake, (Tetracheilostoma carlae), is considered the world’s smallest snake. It is tiny – reaching a maximum adult length of only 104 mm (4.1 inches) and an average weight of 0.6 g (0.02 ounce). Described by Hedges (2008), it is a member of the ancient clade Leptotyphlopidae commonly referred to as threadsnakes. Threadsnakes, Blindsnakes…
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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…