With the major die-off in the Florida Keys in 2024 and 2025 resulting in the mortalities of at least 65 large sawfish (and ...

Our species is nothing if not prolific. The world’s human population is expected to reach 8 billion this month and increase to 10 billion over the next 60 years, according to demographers at the ...

Wildlife conservation efforts in the Patagonia region of Argentina have been so successful that rebounding populations of ...

Sharks have had a tough time since the 1970s, when overfishing, habitat loss and a growing trade in their fins began to cut ...

Two-thirds of studied species declined by more than 10%, the study said. Butterfly populations have dropped by 22% across 554 recorded species in the United States, according to a new study in the ...

Natural landscapes, once vibrant with a diverse array of native grasses and wildflowers, now stand barren — replaced by freshly plowed soil and scraps of litter scattered by the wind. Backyard gardens ...

"Population viability analyses are a set of methods that allow us to project the demography of a species into the future, mainly to quantify the probability of extinction of a given species or ...

Over the past 50 years, researchers have been tracking the Bonelli's eagle population in Catalonia. An article by Phys.org reported that the methodology for determining species demographics has ...

Whether it swims, crawls, runs or flies, it's not easy to estimate the population of a wildlife species. That challenge is even greater when the animal lives in some of the most remote regions of the ...