ecology

California mice eat monarch butterflies

This newly discovered mouse-butterfly interaction suggests that western monarch decline could disrupt ecosystems in unanticipated ways.


Megaherbivore extinctions and wildfires

Loss of ancient grazers triggered a dramatic increase in fire activity across the world’s grasslands.


Brown woodrat facing left, chewing on a daisy.

It’s who you are that matters most

A first-of-its-kind study found that evolutionary history has the strongest influence in both wild and captive woodrats’ microbiomes.


In dry years, rivers become birds’ crowded corridors

New research finds that in dry years, birds funnel into the greenness of river environments, but overcrowding may increase competition for habitat and resources.


U contributes to first-ever nationwide mammal survey

A new 50-state survey shows Utah in the top 10 nationally for raccoons, bobcats and red foxes.


Red rock desert scene with a rock wall on the left with an ancient archaeological structure built in. Archaeologists are documenting the site. There is red rock, and sage green shrubs around the ground beneath the structure.

Protecting the past at Bears Ears

Bears Ears is not just about boundaries, it’s about management.


Why lists of worldwide bird species disagree

Data gaps and species similarities may lead to undercounting biodiversity.


Warming climate slows tropical birds’ population growth rates

A 30-year study in Tanzania shows temperature-linked population declines in species important to forests.


Automatic trail cameras keep wildlife research going during pandemic

Researchers share how trail cameras enabled science to continue even without fieldwork


How do U…participate in crowdsourced science?

Join in research projects from the comfort of your own home.