North America Has 3 Billion Fewer Birds Than it Did in 1970
North America Has 3 Billion Fewer Birds Than it Did in 1970
Population reductions in species such as sparrows and blackbirds reflect a concerning pattern of declining biodiversity across the continent, researchers find.
North America Has 3 Billion Fewer Birds Than it Did in 1970
North America Has 3 Billion Fewer Birds Than it Did in 1970

Population reductions in species such as sparrows and blackbirds reflect a concerning pattern of declining biodiversity across the continent, researchers find.

Population reductions in species such as sparrows and blackbirds reflect a concerning pattern of declining biodiversity across the continent, researchers find.

biodiversity
Agriculture and Climate Shape Biodiversity on Mount Kilimanjaro
Agriculture and Climate Shape Biodiversity on Mount Kilimanjaro
Michael Graw | Jul 15, 2019
A six-year study across the Tanzanian mountain’s slopes hints at how land-use practices will interact with a changing climate to influence ecosystems around the world.
Global Biodiversity Assessment Reports “Unprecedented” Declines
Global Biodiversity Assessment Reports “Unprecedented” Declines
Chia-Yi Hou | May 6, 2019
The intergovernmental organization reports “accelerating” species extinctions, with 25 percent of animal and plant species evaluated under threat of extinction.
Nearly 200,000 Viral Populations Live in the World’s Oceans
Nearly 200,000 Viral Populations Live in the World’s Oceans
Chia-Yi Hou | Apr 26, 2019
Researchers analyze 146 samples from close to 80 sites, with nearly a third of samples coming from the Arctic Ocean.
Antarctic Emperor Penguin Colony Faces Collapse
Antarctic Emperor Penguin Colony Faces Collapse
Jef Akst | Apr 25, 2019
After three years with very few new chicks, the birds are abandoning one of the biggest breeding sites on the continent, satellite images show.
Prehistoric Microbes Inhabit an Oasis in the Northern Mexican Desert
Prehistoric Microbes Inhabit an Oasis in the Northern Mexican Desert
Diana Kwon | Mar 1, 2019
The blue lagoons of the Cuatro Ciénegas Basin provide a glimpse into the planet’s ancient past.
Tortoise Not Seen for 113 Years Found on Galapagos Island
Tortoise Not Seen for 113 Years Found on Galapagos Island
Carolyn Wilke | Feb 25, 2019
Chelonoidis phantasticus, or the Fernandina giant tortoise, was feared extinct until an expedition found a lone female in a remote area on the island of Fernandina.
New Global Trade Route Could Shuttle Invasive Species
New Global Trade Route Could Shuttle Invasive Species
K.V. Venkatasubramanian | Feb 19, 2019
China’s ongoing Belt and Road Initiative passes through areas that are already at risk of swapping organisms.
Image of the Day: Evolution Underground
Image of the Day: Evolution Underground
Carolyn Wilke | Jan 15, 2019
The lay of the land shapes the diversity of groundwater-dependent salamanders.
Image of the Day: Single-Cell Surprises
Image of the Day: Single-Cell Surprises
Jef Akst | Nov 15, 2018
Researchers identify a new species of Hemimastigophora protist, and suggest the group should be promoted from a phylum to a supra-kingdom.