How do chickadees and sparrows (and other birds who stay in Idaho all winter) find food?

Answered by Dr. Chuck Trost, Emeritus Professor, Idaho State University Chickadees cache food all fall, and can remember thousands of cache sites. Their brains grow larger every fall to help them remember. Sparrows eat seeds, which are abundant in the fall, especially at bird feeders. Why Do Birds Migrate? For a bird to journey hundreds…

If pronghorn winter diet is close to 100% sagebrush, how do they process the terpenoid oils in the plant when other browsers can’t?

Question answered by Dr. Jericho Whiting, Biology Professor, BYU-Idaho Sagebrush provides a ready source of winter nutrition for pronghorn, because of its nutritional quality and relative availability on sagebrush-dominated winter range used by these ungulates. Three adaptations by pronghorn allow them to eat sagebrush in winter. First, pronghorn are opportunistic herbivores. As such these animals are able to…

We were at a zoo in the Midwest this summer when the tornado sirens went off. Zoo employees made sure people were safe in a shelter, but it didn’t seem like the animals were given any protection. We were wondering if a plan to care for zoo animals during a crisis situation is required for zoos?

Answered by Darrell Markum, General Curator, Idaho Falls Zoo As an accredited member of the Association of Zoos and Aquariums (AZA), the Idaho Falls Zoo does have a catastrophic emergency plan. Because each emergency situation is going to be unique the plan provides basic details to address a variety of circumstances. It describes who is…