A “Climate Catastrophe”: Western US Salmon on the Brink
A “Climate Catastrophe”: Western US Salmon on the Brink
A recent sampling from two California streams found nearly all juvenile salmon were infected with deadly parasites, and conditions are expected to worsen.
A “Climate Catastrophe”: Western US Salmon on the Brink
A “Climate Catastrophe”: Western US Salmon on the Brink

A recent sampling from two California streams found nearly all juvenile salmon were infected with deadly parasites, and conditions are expected to worsen.

A recent sampling from two California streams found nearly all juvenile salmon were infected with deadly parasites, and conditions are expected to worsen.

endangered species
Bill to Greatly Expand Wolf Hunting in Idaho Heads to Governor
Bill to Greatly Expand Wolf Hunting in Idaho Heads to Governor
Amanda Heidt | Apr 28, 2021
If signed, the law would boost funding for independent contractors to kill wolves and would allow for more than 90 percent of the population in the state to be taken by hunters.
Thousands of Sea Turtles Immobilized by Brutal Texas Winter Storm
Thousands of Sea Turtles Immobilized by Brutal Texas Winter Storm
Lisa Winter | Feb 18, 2021
Volunteers have been working around the clock to rescue the animals found stunned on the beach.
Oceanic Shark and Ray Numbers Down 71 Percent over Past 50 Years
Oceanic Shark and Ray Numbers Down 71 Percent over Past 50 Years
Lisa Winter | Jan 28, 2021
Overfishing is the biggest factor driving these species toward extinction, researchers conclude from a new study.
Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests
Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests
Max Kozlov | Dec 7, 2020
6PPD, a tire preservative, reacts with ozone to produce a compound that the researchers say may be responsible for large die-off events.
Gray Wolf Reintroduction in Colorado Encounters Federal Kerfuffle
Gray Wolf Reintroduction in Colorado Encounters Federal Kerfuffle
Lisa Winter | Nov 18, 2020
This month, voters in the state approved the predators’ reintroduction, but the species’ recent delisting as an endangered species at the federal level binds up available funding.
Conservation Biology Icon Georgina Mace Dies at 67
Conservation Biology Icon Georgina Mace Dies at 67
Lisa Winter | Oct 2, 2020
Mace led the work to determine the criteria for the IUCN’s Red List.
Modeling Study Flags Species Susceptible to SARS-CoV-2
Modeling Study Flags Species Susceptible to SARS-CoV-2
Anthony King | Aug 26, 2020
Some critically endangered animals are on the list.
Risk of Extinction Is Greatest for Large Herbivores: Study
Risk of Extinction Is Greatest for Large Herbivores: Study
Ruth Williams | Aug 5, 2020
Data on vertebrate species that have become, or are likely to become, extinct reveal plant eaters are most under threat.
Researchers Detect Land Animals Using DNA in Nearby Water Bodies
Researchers Detect Land Animals Using DNA in Nearby Water Bodies
Nayanah Siva | Apr 27, 2020
Monitoring the comings and goings of aquatic life with traces of DNA in water has become an established biomonitoring technique, but scientists are now using environmental DNA to assess terrestrial animals.
Image of the Day: Lion Cam
Image of the Day: Lion Cam
Amy Schleunes | Apr 2, 2020
A wildlife camera trap survey of critically endangered West African lions finds they have no preference for parks over trophy-hunting areas, possibly because of poor habitat quality in the no-hunting zones.
Image of the Day: Rescued Hatchlings
Image of the Day: Rescued Hatchlings
Amy Schleunes | Mar 27, 2020
Ten endangered Manning River turtles were saved from flooding in New South Wales, Australia, following devastating fires on the country’s east coast.
Conflicts of Interest at Conservation Group IUCN: Investigation
Conflicts of Interest at Conservation Group IUCN: Investigation
Amy Schleunes | Feb 14, 2020
Buzzfeed uncovers trophy hunters among the ranks of the International Union for Conservation of Nature, which, critics say, may be impeding wildlife protection.
Trump Administration to Weaken Migratory Bird Protections
Trump Administration to Weaken Migratory Bird Protections
Shawna Williams | Jan 30, 2020
A reinterpretation of the Migratory Bird Treaty Act of 1918 won’t punish oil and gas companies whose activities kill birds unintentionally, The New York Times reports.
Researchers Fight a Devastating Amphibian Infection Using Heat
Researchers Fight a Devastating Amphibian Infection Using Heat
Jennifer Parker | Jan 13, 2020
They’ve survived volcanic eruptions, but one Caribbean island’s mountain chicken frogs might need help from scientists to escape the lethal chytrid fungus.
Image of the Day: Spotted Toad
Image of the Day: Spotted Toad
Emily Makowski | Dec 13, 2019
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: No Longer Endangered
Image of the Day: No Longer Endangered
Emily Makowski | Oct 11, 2019
Back from the brink of near-extinction, the Kirtland’s warbler population has grown and expanded its range.
Saving the Hellbender, a Giant Salamander Under Threat
Saving the Hellbender, a Giant Salamander Under Threat
Mary Bates | Sep 1, 2019
Populations of the two-foot-long amphibians are declining across North America. Scientists are struggling to find out why, before it’s too late.
Florida Wild Cats Struggle to Walk Due to Unknown Disorder
Florida Wild Cats Struggle to Walk Due to Unknown Disorder
Nicoletta Lanese | Aug 28, 2019
Both bobcats and the state’s namesake panther, an endangered species, have been spotted with signs of the condition.
Image of the Day: Last Loa Water Frogs
Image of the Day: Last Loa Water Frogs
Nicoletta Lanese | Aug 27, 2019
Scientists hope to breed the species in captivity because their habitat has nearly disappeared.