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.

Color me surprised! Waldron et al. (2025) studied the evolutionary consequences polymorphism in Plethodonts using a complete phylogenomic tree of of the family paired with morphometric analyses. She the results of this #AWNews at AmphibiaWeb.org

Feeling blue? A citizen scientist asked about blue (axanthic) frogs, leading to a pandemic-era internship project to explore the spatial, phylogenetic, and temporal prevalence of axanthism in frogs lead by Drs. Molly Womack and Rayna Bell. Read the results this #AWNews at AmphibiaWeb.org

How does Chytrid affect a species' role in it's ecosystem? Read this week's #AWNews on Scheele et al. (2025) work at AmphibiaWeb.org to find out.

An impressive study by Donnellan et al. (2025) provides a near-comprehensive phylogenetic tree for a major clade of frogs that occur across Australia, New Guinea, and many islands in the adjacent Indo-Australian Archipelago. Read More about this #AWNews at AmphibiaWeb.org

The process to become a troglodyte is being illuminated in our latest #AWNews. Read how Tovar et al.'s use a radiation of paedomorphic Brook Salamanders (Eurycea) to study the molecular and developmental basis of eye loss at AmphibiaWeb.org.

The chytrid fungus Batrachochytrium dendrobatidis (Bd) has caused amphibian declines worldwide, but its history and impacts in Africa are less well understood. Kouete et al. (2025) contributes to our knowledge of this disease in the region in this week's #AWNews on the AmphibiaWeb.org homepage.

Nori et al. (2025) investigates a Anuran Data Deficit: tadpole descriptions. Their analyses suggest strategically focusing on 0.25% of Earth’s terrestrial surface could reveal more than half of the undescribed tadpoles. Read more of this #AWNews at AmphibiaWeb.org

A reminder that the application for the Future For Nature Awards 2026 is open until August 25th 23:59 (CEST). See the link for more information futurefornature.org/apply/

Carrillo et al. (2024 & 2025) report new intriguing female parental care via chemical stimuli that cause tadpoles to aggregate and follow females. Check out AmphibiaWeb.org for more on this #AWNews

Many amphibians have large genomes, and some are polyploid. Chen et al. (2025) ask how polyploidy affects organismal physiology in a unique population of Microhyla fissipes, which has individuals with diploid and tetraploid genomes. Read more of this #AWNews at AmphibiaWeb.org.

In this week's #AWNews, Barrionuevo and colleagues (2025) rediscovered Telmatobius ceiorum, which hadn't been seen in 40 years, at a location further north than previously known. Read more at AmphibiaWeb.org.

Don't jump to quick(silver) conclusions. In this week's #AWNews Kain et al. (2025) provide evidence that immune response in the presence of methylmercury can be highly variable in wild populations of amphibians. Read more at AmphibiaWeb.org

All Fired Up? Brooks et al. (2025) recently found that the rare and threatened Florida Bog Frog, Rana (Aquarana) okaloosae, has higher occupancy rates at sites that have regular prescribed fires. These fires mimic their historic cycles. Read more of this #AWNews at AmphibiaWeb.org

DO be square! This week's #AWNews features Brown et al. (2024)'s functional analysis of how Aneides vagrans' square toes help them climb. Read more on the AmphibiaWeb.org home page.

In this week's #AWNews Santana et al. (2025) report that female frog calls are more widespread than previously believed, and propose a revised classification for frog calls with six specific categories, applicable to both sexes. Read more at AmphibiaWeb.org

Stewart and Wiens (2025) dropped a new comprehensive multilocus phylogeny for salamanders this year that includes 765 of the 825 known species. Check out more of this #AWNews at AmphibiaWeb.org.