For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

Find out what a male, female and juvenile northern bobwhite looks like, what they sound like, and where you may find these ...

State officials are collecting public comments on a proposal that would make it illegal to buy or sell six invasive species, ...

The northern cardinal seems an obvious choice for Indiana’s state animal. Its vivid red feathers stand out against winter ...

Explore the binomial tree model's use in option pricing, its workings, and examples. Learn how this model estimates intrinsic ...

Minnesota Soil and Water Conservation Districts (SWCD) are now promoting their spring tree orders. Minnesota farmers, ...

Most North Carolinians see gray squirrels every day as they race along fences, leap between oak branches, or raid backyard ...

Winter weather can have a large impact on how plants, specifically trees, grow. Here's what to know about plant dormancy and ...

Early detection of declining forest health is critical for the timely intervention and treatment of droughted and diseased ...

Climate change is causing trees to sprout earlier in spring. Nevertheless, some tree species are growing less. A study by the ...

Quick Take The gray fox was named Delaware’s official wildlife animal in 2010 after a fourth-grade classroom turned a ...

You’d think that porcupines climbing trees would be visible and therefore well-studied. Roughly the size of housecats with ...