Howell et al. (2026) investigated why amphibian numbers are declining in the American Everglades in Florida. They found both bottom-up (nutrient limitation) and top-down effects, with invasive Asian Eels predating on aquatic amphibians. Read more at AmphibiaWeb.org #AWNews

Bilger et al. (2026) wondered if juvenile male Túngara Frogs (Engystomops pustulosus) can call and choose not to or can't call until they are adults. Read more of this #AWNews at AmphibiaWeb.org

Steigerwald et al. (2026) investigate how climate driven range shifts affect outbreaks of Batrachochytrium dendrobatidis in Marbled Four-eyed frogs (Pleurodema marmoratum) of Peru in AmphibiaWeb.org news feature this week. #AWNews

Aguilar et al. (2026) provides insight to the color polymorphism in Oophaga pumilio in this week's #AWNews. Go to AmphibiaWeb.org to get a summary of their findings.

Men et al. (2025) investigated how Rana kukunoris handle overwintering in ice-covered water and how they maintain their water/ion balance. Read this #AWNews to see the role gene expression plays in this species' life history at AmphibiaWeb.org

#AWNews AmphibiaWeb Steering committee member Rayna Bell and her colleagues at the California Academy of Science created an educational game to teach epidemiological modeling and introduce students to the global amphibian chytridiomycosis pandemic. See more at: www.calacademy.org/educators/le...

Can caecilians pass the smell test? Prakash et al. (2026) tested whether a terrestrial Indian caecilian (Gegeneophis sp.) can recognize its own scent using a Y-maze experiment. Read a summary of their findings at AmphibiaWeb.org #AWNews

ASA (Amphibian Survival Alliance) is having a photo contest! For more details see: www.amphibians.org/news/2026-wo...

Soto-Pozos et al (2025) examined how past land use influences environmental and skin-associated bacterial communities in six co-occurring Mexican cloud forest salamander species. Read more at AmphibiaWeb.org #AWNews

Weitzman et al (2026) compared Eleutherodactylus coqui in their native range (Puerto Rico) and introduced range (Hawaii) to understand how environmental conditions and invasion history influence amphibian skin microbiomes. Read more at AmphibiaWeb.org #AWNews

Should we look to contemporary climate to explain where species diversity is highest, or look deeper into the past? Jongsma et al. (2026) tackled this question in this week's #AWNews on AmphibiaWeb.org @davidblackburn.bsky.social

DeMarchi et al (2025) explore why some amphibians are better reservoirs for the deadly chytrid fungus (Batrachochytrium dendrobatidis, Bd) than others. See what they found at AmphibiaWeb.org #AWNews

A study by Duncan et al. (2025) shows that differences in temperature preferences between frogs and pathogens can help explain where amphibian disease is most severe. Read more of this #AWNews at AmphibiaWeb.org

Goutte & Boissinot (2025) investigated the evolutionary stability of cryptic color polymorphism in anurans in this week's #AWNews. Visit AmphibiaWeb.org for more details.

Gillard and Rowley (2025) analyzed data from FrogID's citizen science project to investigate biodiversity sampling on private lands relative to public lands. See a summary of their findings at AmphibiaWeb.org for this week's #AWNews.

AmphibiaWeb has the pleasure to introduce the Herpetological Society of Singapore (HSS). Please visit AmphibiaWeb.org to read an introductory statement by the current president Kannan Raja. #AWNews

Do tadpoles have acoustic communication? Protázio et al. (2025) documented Ceratophrys joazeirensis (Caatinga Horned Frog) tadpoles producing a short, metallic click sound. See what their hypotheses are for this observation at AmphbiaWeb.org #AWNews

Thank you to everyone who participated in our #BigGive campaign through UC Berkeley. We appreciate all the things that this community does to support amphibian conservation! Photo: Rana septentrionalis by Patrick D. Moldowan

Did you know that AWeb hosts Spanish & French accounts? Check out our tabs for Anfibios del Ecuador, Jean Raffaëlli, and Axel Hernandez. You can also use our Google translate option on the sidebar. If you like this feature, consider donating. give.berkeley.edu/fund/FU0863000 #CalBigGive

Did you know AmphibiaWeb, which is hosted at UC Berkeley, displays over 45,000 photos from amphibian enthusiasts across the globe? If you like this feature, consider donating during Berkeley's Big Give. give.berkeley.edu/fund/FU0863000 #CalBigGive Photo: Ambystoma laterale by Todd Pierson

AWeb species accounts are written by experts, grad students, undergrads, and hobbyists from around the world and edited by us. If you'd like to support this work, consider donating. give.berkeley.edu/fund/FU0863000 #CalBigGive @rdtarvin.bsky.social Photo: Bryophryne cophites by Alessandro Catenazzi

AmphibiaWeb runs on a shoe-string budget. To keep the website afloat, we need to meet a budgetary need of about $24K per year. Consider helping our cause by donating during UC Berkeley's Big Give. give.berkeley.edu/fund/FU0863000 #CalBigGive Photo: Schistometopum ephele by Rayna Bell

AWeb's goal is to have a well-researched, fact based webpage for every species of Amphibian. If you'd like to help us, please consider donating during UC Berkeley's Big Give (where we are hosted). give.berkeley.edu/fund/FU0863000 #CalBigGive Photo: Trachycephalus jordani by Emma Steigerwald

Join UC Berkeley’s Big Give! Consider donating to AmphibiaWeb, which is hosted at UCB. give.berkeley.edu/fund/FU0863000 #CalBigGive Photo: Red-eyed Tree Frog (Agalychnis callidryas) taken by our founder, Dr. David B. Wake.

Granados-Martinez et al. (2025) ran behavioral field experiments to test whether male Strawberry Poison Frogs (Oophaga pumilio) rely on vision for navigation in tropical forests and open areas. Read a summary of their results at AmphibiaWeb.org #AWNews

Grow a thick skin frog! VanBuren et al. (2025) examined three frog species from the northern United States and found that skin layers were not consistent over the time. Read the details at AmphibiaWeb.org #AWNews

Amphibian species' body sizes can respond idiosyncratically or inconsistently to environmental changes. Fleming and Sheldon (2025) found six plethodont species in Virginian mountain streams had significant size shifts, but these shifts may not favor persistence. Read more at AmphibiaWeb.org #AWNews

The recent description of the 9,000th amphibian species marks a remarkable milestone for biodiversity science and a testament to decades of careful fieldwork, taxonomy, and collaboration across the globe. Read more at AmphibiaWeb.org #AWNews

Navarrete et al. (2025) provides evidence that Caecilians aren't totally blind. Go to AmphibiaWeb.org to read more of this #AWNews.

Conservations in Ecuador are trying to protect the habitat of the recently rediscovered Jambato Harlequin Toad (Atelopus ignescens). If you'd like to help or learn more, here's their crowd funding site. givebutter.com/XNVdrL

How are ballistic tongues in plethodonts and chameleons similar and different? Zeng et al. (2025) explore this in this week's #AWNews. Visit AmphibiaWeb.org to read more.

Limnonectes palavanensis group exhibit one of the most advanced brood care behaviors. Recently, Dehling et al (2025) showed that there is an unexpectedly high diversity within this clade. Read more of this #AWNews at AmphibiaWeb.org

Abondano Almeida et al. (2025) characterize the pheromones used during reproduction in Hyloxalus, revealing more complexity of chemical communication than previously thought. #AWNews. Read the full summary at AmphibiaWeb.org

This week's #AWNews summarizes Dunlop et al (2025) analysis of cane toad effects in Australia. Read more at AmphibiaWeb.org

Ring in the new year by reading Lemierre et al. (2025)'s findings on anuran prehistoric past in this week's #AWNews at AmphibiaWeb.org

Happy New year from AmphibiaWeb to you! See our home page at AmphibiaWeb.org for a message from our directors. And thank you for your support over our 25 years of existence.

The majority of amphibians have broad generalist diets, so what won't a frog eat? See this week's #AWNews on work by Sugiura and Kohei (2025), who investigated the effectiveness of wasp pseudostingers as an antipredator tool at AmphibiaWeb.org

The new AmphibiaWeb newsletter is out. Read it here. mailchi.mp/273198f7b9a4...

In this week's #AWNews González-Santoro et al. (2025) explains how sexual selection answers the paradox of polymorphism in the aposematic signaling of Oophaga pumilio. Read more at AmphibiaWeb.org

What's worse for frogs, wildfire or floods? Bieri and Rowley (2025) address this question in this week's #AWNews. See the summary at AmphibiaWeb.org

In this #AWNews, Lu et al. (2025) present a chromosome-level genome for O. rhodostigmatus to better understand the ontology and gene expression color and eyesight. Read more at AmphibiaWeb.org

Moretta-Urdiales et al (2025) explored 101 canopy bromeliads to help us understand where frogs live. Read more of about their findings in this week's #AWNews at AmphibiaWeb.org

Following up on our #AWNews about Xenopus in Washington State, Duvall et al. (2025) identify where there impact is strongest in Salmon conservation. Read more at AmphibiaWeb.org

Can lungless tadpoles get their lungs back before metamorphosis? Find out in this week's #AWNews featuring Phillips et al. (2025) at AmphibiaWeb.org

Here's two small grant opportunities (due dates in Dec): Burke Museum Study Grant: www.burkemuseum.org/collections-... Global Amphibian and Reptile Disease Conference Travel Grant: utconferences.eventsair.com/third-gard-c...

In this week's #AWNews, see how leeches are used in vertebrate conservation assessment. Read more at AmphibiaWeb.org

This week's #AWNews features Fuchs and Rödel's (2025) documentation of egg-burying behavior and hatching plasticity in Ecuadorian Pristimantis latidiscus. Read the full report at AmphibiaWeb.org

Shen et al. (2025)'s investigation of the co-evolution between Asian newts hosts and parasitic water mites found newt parasitism has multiple evolutionary origins. Read the details of this #AWnews at AmphibiaWeb.org

Genetic threats, such as hybridisation and introgression, are often overlooked in conservation planning. Check out this week's #AWNews on AmphibiaWeb.org to see how Liu and Rowley (2025) address this issue when one parental species is a threatened endemic!

This week's #AWNews features a study by Paluh et al. (2025) that examined the developmental-genetic mechanisms underlying tooth formation in frogs and tested whether a rudimentary dental program is activated in the lower jaw. Read more at AmphibiaWeb.org.