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Fernanda, a Fernandina giant tortoise (<em>Chelonoidis phantasticus</em>), was identified in 2019, decades after her species supposedly went extinct.
When an Extinct Species Is Found Alive, What Happens Next?
Finding a creature in the wild that had been considered long gone brings hope—and quite a bit of uncertainty.
When an Extinct Species Is Found Alive, What Happens Next?
When an Extinct Species Is Found Alive, What Happens Next?

Finding a creature in the wild that had been considered long gone brings hope—and quite a bit of uncertainty.

Finding a creature in the wild that had been considered long gone brings hope—and quite a bit of uncertainty.

toads
An orange toad perched on a leaf
Past Malaria Surges Linked to Amphibian Die-off
Andy Carstens | Sep 21, 2022 | 2 min read
A study suggests that pathogens affecting other species can indirectly harm human health.
Image of the Day: Spotted Toad
Emily Makowski | Dec 13, 2019 | 2 min read
The starry night harlequin toad was lost to science for nearly 30 years until an indigenous community in Colombia permitted conservation biologists to visit its habitat in April.
Image of the Day: That Toad Is Poison
Sukanya Charuchandra | Jun 5, 2018 | 1 min read
The introduction of the poisonous Duttaphrynus melanostictus into Madagascar could be fatally risky for the island’s native predators.
Image of the Day: Xenopus Pigment
The Scientist Staff | May 18, 2018 | 1 min read
Researchers recently used CRISPR single-guide RNAs to alter genes involved in pigmentation in frog embryos.
Tadpoles Keep Eating Because They Don’t Feel Full
Catherine Offord | Mar 27, 2018 | 1 min read
Baby frogs don’t develop the neural circuitry responsible for feeding inhibition until they begin metamorphosing into adults. 
Image of the Day: Beetle Escapes Toad’s Stomach
The Scientist Staff and The Scientist Staff | Feb 8, 2018 | 1 min read
The bombardier beetle forced its devourer to vomit it out by releasing explosive, toxic chemicals.
Image of the Day: Wardrobe Change
The Scientist Staff | Jun 5, 2017 | 1 min read
The Asian common toad (Duttaphrynus melanostictus), like other amphibians, will periodically shed the outermost layer of its skin, then consume it. 
TS Picks: October 17, 2016
Kerry Grens | Oct 17, 2016 | 2 min read
Problematic dietary advice; the man whose cells were fixed with CRISPR; treating toads
Fighting Chytrid Fungus
Karen Zusi | Nov 19, 2015 | 2 min read
Researchers eliminated chytrid fungus from a Mediterranean island toad population using antifungals and disinfectants.
Virus Decimating Spanish Amphibians
Bob Grant | Oct 20, 2014 | 2 min read
Several toad, newt, and salamander populations are being hit hard by an emerging pathogen in a pristine national park in Spain.
“Extinct” Toad Rediscovered
Edyta Zielinska | Jun 21, 2012 | 1 min read
A yellow-bellied dwarf toad, last sighted in 1876, is rediscovered in Sri Lanka.
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