A new study finds North American bird populations keep dropping, and that decline is speeding up for many species.

New research suggests that compared to highly social animals, like lions, loosely social animals like squirrels are more vulnerable when their populations decline.

Though previous research has shown that bird populations are declining across North America, a new study is the first to show that the pace of loss has picked up speed since the mid-1980s in three ...

Explore keystone species, extinction, and wildlife crime and learn how you can help preserve biodiversity through World ...

Firefly populations are declining worldwide, in large part due to habitat loss. Threats like climate change, pesticide use, and light pollution are contributing to this pressing issue. The firefly ...

In March, the National Marine Fisheries Service (NMFS) sought public comment on the Makah Tribe’s request for a permit under the Marine Mammal Protection Act (MMPA) to hunt gray whales off the ...

Wildlife conservation is a race against time—too often, a losing one. Typically, by the time scientists detect signs of species decline, populations have already collapsed. Genetic diversity is ...

PORTLAND, Maine (AP) — The decline of an endangered species of whale slowed last year, as it lost about 2% of its population, but scientists warn the animal still faces existential threats and is ...

In some Montana hunting districts, up to one-third of animals have contracted chronic wasting disease, the fatal, neurodegenerative disorder that’s driving down deer and elk populations in other ...

According to a new study by the Museo Nacional de Ciencias Naturales (MNCN-CSIC) and the National University of Colombia, chronic ocean warming is driving a nearly 20% annual decline in fish biomass.

The Canada lynx is a specialist, meaning it relies on limited food and habitat resources. Wildfires and deforestation lead to a hare population decline within typical habitat ranges, and as the lynx ...