Researchers have been tracking gray whale breeding patterns since 2006. Scientists sound alarm after witnessing distressing ...

A new PLoS ONE study shows that to avoid extinction, small populations may need fertility rates well above the standard ...

A report from the Cornell Lab of Ornithology shows that bird populations across every U.S. habitat are plummeting, with 229 ...

Greater prairie chickens gather in spring on leks, or breeding grounds, at Buena Vista Wildlife Area. The species is listed as threatened in Wisconsin.

A new study finds that a fertility rate of 2.7 children per woman, not 2.1, may be needed to avoid long-term population ...

If the peak birth rate from 2007 had held steady, there would have been an additional 2,800 children born in Olmsted County ...

Over the next 2-3 weeks, millions of birds will fly through Colorado skies as they migrate north for the summer — and you can ...

State Adds 108,000 Residents in 2024, Reaching 39.5 Million Sacramento – California’s population grew by 108,000 people in ...

While the region overall saw a slight 0.04% increase in population, about 2,500 more residents, the majority of the region’s ...

Birds are vanishing fastest where they once thrived. A new Science study reveals the decline in birds using citizen data and ...

Chronic wasting disease continues to spread through Wisconsin and areas with high prevalence rates saw significant harvest ...

Discover the tranquility of America's open spaces with our list of the 13 Least Populated States in the US [Ranked 2025]—find ...