Tag: Southwest

kit fox
January 23, 2023

JWM: Texas kit fox populations appear healthy

The kit fox population living in the high elevation grasslands of the Trans-Pecos region of western Texas appears to be doing well. Texas Parks and Wildlife had noticed a decline...

blacck bear
January 13, 2023

Southwestern black bears are isolated on mountain ranges

Black bear populations in the southwestern U.S. and northern Mexico can be divided into several genetically distinct groups that haven’t mixed much for thousands of years. New research reveals that...

December 19, 2022

TWS2022: River restoration better for reptiles, amphibians

The Santa Cruz River hasn’t been a reliable source of water since European settlers changed the sustainable water use patterns of Indigenous people like the Hohokam in the late 1800s....

December 9, 2022

Watch: A midflight stopover for migrating monarchs

Monarch butterflies make an astonishing migration from throughout the United States and Canada to winter in the mountains of Central Mexico. But while Mexico may be the final destination, it’s...

May 26, 2022

Aoudad introduced to U.S. comprise 2 distinct subspecies

In the century since Barbary sheep were brought from North Africa to the United States, they have spread from zoos to ranches to the wild, raising questions about their impacts...

November 2, 2021

TWS2021: Limited evidence birds confuse solar panels with lakes

Aquatic bird carcasses have been discovered around solar power facilities for years, even when these developments are miles from water bodies. Researchers have previously hypothesized a “lake effect” where these...

May 7, 2021

Wild horses’ wells can benefit other species

The ecological impacts of wild horses and burro usually make for bad news. Scientifically considered feral animals, they are known for damaging the plants and soil of arid ecosystems and...

March 15, 2021

More biodiversity makes for healthy bees

More diverse communities of bees in Michigan, including both native and nonnative pollinators, result in less virus spread. Researchers had already known about a previous hypothesis called the Dilution Effect,...

March 15, 2021

Wild Mexican wolves reach record numbers

The population of Mexican wolves has increased in the wild once again, reaching 186 individuals in the U.S. Southwest in 2020. Mexican wolves (Canis lupus baileyi) were nearly extirpated from...

November 4, 2020

TWS2020: Exploring the historic trails of Mexican elk

Back when much of what’s now the U.S. Southwest still belonged to Mexico, elk used to roam widely across the region. Researchers are now looking at old diaries, books and...