TWS News

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Retired wildlife leaders decry firings as ‘existential threat’

Former leaders warn that firings will cause widespread and long-lasting consequences for wildlife management across North America

Read Now March 14, 2025
April 2, 2025

JWM: Invasive Indian mongoose bounce back after removal

Pregnant, nursing and lactating mongooses fully replenish populations within two months of removal—likely bad news for rabies transmission

April 2, 2025

Bonelli’s eagles recover in Catalonia

Despite problems in other regions, some parts of Spain are seeing a rebound in eagle numbers

April 1, 2025

Bobcats and people coexist in Tucson

To learn more about urban bobcats, researchers had to also work with people

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81 Results for Mammals
Phillip Jones stands in a gap where trees were removed to allow more light to reach the forest floor.
March 20, 2023

Deer not always to blame for suppressing tree growth

In a Wisconsin forest, deer weren't the main culprit

March 17, 2023

TWS2022: Do cougars use artificial water sources to ambush prey?

Researchers tracked big cats in New Mexico and Arizona to learn more about predation patterns

March 16, 2023

Searching new terrain for an endangered alpine fox

California researchers will use noninvasive techniques to learn about the Sierra Nevada red fox

March 15, 2023

WSB: Spray can help keep the polar bears away

Researchers examined historical records to determine how effective bear spray is on polar bears

March 9, 2023

Rising oryx numbers may distress New Mexico ecosystem

South African ungulates introduced decades ago have expanded exponentially in Chihuahuan Desert

February 28, 2023

Removing beaver dams to protect massive brook trout

Wildlife Services worked to remove beaver dams to improve habitats for massive coaster brook trout

February 28, 2023

COVID lockdowns brought tigers closer to roads

GPS-collared male and female tigers responded differently to the lockdown

February 27, 2023

Wild Cam: Where do sloth bears den?

Female sloth bears may sometimes take risks to gain access to better resources

February 24, 2023

Watch: Boosting bighorn numbers in Oregon

Biologists are monitoring an important California bighorn sheep population