Populations of the Baltimore checkerspot butterfly have grown from little more than 100 to 2,000 in the 10 years DuPage Forest Preserve District ecologists have been studying, nurturing and protecting the rare butterfly.
A barred owl injured after being struck by a vehicle was one of many birds released on a recent sunny day at McDowell Grove Forest Preserve after being treated at Willowbrook Wildlife Center in Glen Ellyn.
Every facility that cares for animals has to make tough decisions all the time: What type of animals should they treat? How many? Do they have the staff and skill to treat them? How should already limited resources be spread fairly among all the animals in need of help?