Species of the Week:Foothill Yellow-legged Frog

Throughout much of the Pacific Coast and Sierra Nevada drainages, the once abundant Foothill Yellow-legged frog (Rana boylii) has been disappearing, mainly due to habitat destruction, water diversion and pollution. In 2005, only 30 California sites had populations of 20 or more adults, including in the heart of their range in California’s north coast where [...]

Species of the Week: Aura’s Golden Salamander

In 2016, ASA Partner AmphibiaWeb recorded 107 new species, the fewest since they began keeping count in 2004. There were several revalidated taxa, raised from synonymy or uncertainty, giving a current total of 7,614 recognized amphibian species. The new taxa are from 20 families and 24 countries, so discoveries continue to be widespread and diverse. No [...]

Species of the Week: Heroic minute salamanders

Minute salamanders (Plethodontidae: Thorius) were once very common in montane habitats bordering the eastern and southern margins of the Mexican Plateau, where they have experienced an adaptive radiation in miniature. Molecular data have proven to be essential for sorting specimens into species, which are then discerned to differ in morphology, ecology, elevational distribution, etc. Species [...]

Species of the Week: Southern Mountain Yellow-legged Frog

Major habitat restoration moves ahead for two endangered montane frogs in California. After years of review and planning, the National Park Service (USA) is officially moving forward with major plans to restore high elevation aquatic ecosystems in the Sequoia and Kings Canyon National Parks in the Sierra Nevada of California. These actions will help recover two endangered [...]

Species of the Week: Sierra Nevada Yellow-legged frog

Nearly all of the reports on global patterns of amphibian extinction and decline have been bad news, with hundreds of species lost and thousands in jeopardy. A new report in PNAS (Knapp et al 2016) shows a regional pattern of recovery across hundreds of populations in Yosemite National Park for a charismatic species, the Sierra [...]