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Amphibians, Reptiles, & Natural History

Reptiles, Amphibians, & Natural History

Microhabitat use by the California Kingsnake in the Canary Islands

Pacific Treefrogs, one, two, or three species?

Burmese Python Nest in Great Cypress Swamp

Jurassic reptile fossil discovery blurs the line between snake and lizard

California Kingsnake from se Arizona

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…

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…

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…

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…

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…

Uncover the Secret Lives of Snakes. Live streaming cameras look at rattlesnakes.

Uncover the Secret Lives of Snakes. Live streaming cameras look at rattlesnakes.

JCM Aug 19, 2025 1 min read

If you haven’t found this website yet, it’s now time…

A western diamondback crossing the road.

Road mortality in snakes and its impact.

JCM Aug 19, 2025 2 min read

Snakes are significant predators in many ecosystems, but high rates…

A phlogenetic tree of the 26 snake species exmined in the study.

Genomic Insights into Snake Body Size

JCM Jul 15, 2025 2 min read

Body size is a critical trait that influences an animal’s…

Micrurus ibibobpca By Ricardo Marques - Flcikr, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=47978546

New snake species described in 2024. Part 2.

JCM Jan 5, 2025 13 min read

A New Chironius from Ceara, Brazil Currently, the proposed diagnoses…

Eyelash Palm-PitviperThe Bothriechis schlegelii complex

New snake species described in 2024. Part 1.

JCM Jan 1, 2025 5 min read

In 2024, 33 species of new snakes were described. In…

An Anolis aquaticus with a bubble on its nose.

A Scuba-diving Lizard

JCM Sep 21, 2024 3 min read

Many small invertebrates utilize bubbles to facilitate underwater respiration, but…

Goulds Sand Goanna, Varanus rosenbergi, photographed on a limestone track near Boranup Beach Western Australia. The goannas of this region are grey (which is consistent with soil/sand colours) as compared to the pale brown tones of Central Australia and other red soil areas of Australia. Spikercs, CC BY-SA 3.0 , via Wikimedia Commons

Flystrike and Monitor Lizards

JCM Jul 13, 2024 5 min read

The following is based on: Tomma G. 2024. Giant Australian…

A comparison of two large snakes approximately the same size. Titanoboa is a Boid, and Vasuki indicus is in the family madtsoiid

A new giant fossil snake from northwest India’s Eocene

JCM Jul 1, 2024 2 min read

The snake family Madtsoiidae is an extinct clade of primarily…

Green Sea Turtle

Plastic in Sea Turtles

JCM Jun 7, 2024 2 min read

Marine wildlife ingests plastic pollution, making them a reservoir for…

Boa constrictor

Invasive Snakes in Puerto Rico – its more than Reticulated Pythons

JCM Jun 3, 2024 18 min read

The following article was published on VOX on 21 May.…

An Axolotl, Ambystoma mexicanum, raised in a captive colony

Conserving the Axolotl

JCM Jun 3, 2024 5 min read

The following article is based on Smith (2023) and Sanchez…

The Controversy Over a Second Species of Giant Anaconda

The Controversy Over a Second Species of Giant Anaconda

JCM May 1, 2024 5 min read

The Green Anaconda, Eunectes murinus, has long been Amazonia’s most iconic…

Aquatic Snakes, Diversity and Natural History

Aquatic Snakes, Diversity and Natural History

JCM Apr 5, 2024 1 min read

This book is available as a high quality PDF on…

Shovel-nosed Snake, a sand-dwelling species from southern California

Sand-dwellers and Climate Change

JCM Mar 24, 2024 6 min read

Lizards and snakes living in sandy soils in dry habitats…

The fossil skull of Kermitops (left) alongside a modern frog skull, Lithobates palustris. (Photos: Brittany M. Hance, Smithsonian)

Prehistoric Amphibian Ancestor Is Named for Kermit the Frog

JCM Mar 22, 2024 4 min read

The species seemed to have bug eyes and a smile,…

A harmless mimic of coral snakes.

The Rapid Evolution of Snakes

JCM Feb 24, 2024 5 min read

About 128 million years ago, a surge of adaptation caused…

A member of Kartik Sunagar’s team at the Indian Institute of Science “milks” a monocellate cobra for venom to be used in research. Photo:.Kartik Sunagar

Advances in Snakebite Treatment

JCM Feb 24, 2024 7 min read

The following is based on Wilcox C. 2024. Powerful new…

The new krait, Bungarus sagittatus is currently known from type locality Khao Krachom, Suan Phueng District, Ratchaburi Province. The area is part of Tenasserim Mountain Range, which lies on Thai-Myanmar borderline

A new krait from Thailand

JCM Feb 9, 2024 3 min read

The Asian elapid genus Bungarus are commonly called kraits. They…

The Iraqi marines with the killed Reticulated Python Malayopython reticulatus in Basra Oil Harbor, Arabian Gulf coast, Basra Province. Photos © Yasir Wathiq

The Reticulated Python, an invasive species in Iraq?

JCM Feb 7, 2024 5 min read

Al-Sheikhlyet al. (2023) discuss reports of Iraq’s Reticulated Python, Malayopython…

Broad-headed Skink, Plestiodon laticeps

Successful Skinks

JCM Feb 6, 2024 3 min read

Geckos and skinks are lizard lineages that have been remarkably…

The Plateau Spot-tailed Earless Lizard, Holbrookia lacerata.

The Plateau Spot-tailed Earless Lizard – no longer listed as endangered

JCM Feb 5, 2024 4 min read

SAN ANGELO, Texas (Concho Valley Homepage) — A lizard species…

Hunting the HUNTERS

Hunting the HUNTERS

JCM Dec 15, 2023 6 min read

The following article appeared in the Florida Weekly Bonita Springs…

Black marsh turtle. (2023, November 28). In Wikipedia. https://en.wikipedia.org/wiki/Black_marsh_turtle

Loss of Biodiversity in Singapore

JCM Dec 15, 2023 5 min read

Planning for conservation requires accurate estimates of tropical extinction rates…

California Kingsnake, banded morph sitting on a rock

The California Kingsnake: An Invasive Threat in the Canary Islands

JCM Nov 26, 2023 11 min read

Information on the biology and ecology of invasive predators can…

A forest frog from the island of Borneo.

Amphibians on the Edge: Climate Change and Other Threats to Survival

JCM Oct 5, 2023 3 min read

In the world of biodiversity, Earth’s amphibians play a crucial…

Four photos of Sceloporus from the sky islands. Labels on eachi photo identify it.

Diets and Niches for Four Sceloporus Species in the Chiricahua Sky Islands

JCM Sep 27, 2023 9 min read

Niche partitioning is a concept at the heart of understanding…