Scientists compared the innate immune responses of different breeds of chicken to find out which breeds resist Newcastle disease and how they manage to.
Scientists wanted to know how climbers affect birds that nest on cliffs.
Scientists monitored the nesting choices of more experienced yellow-bellied sapsucker woodpeckers for use as an indicator of high-quality bird habitat.
Scientists created a mathematical model which allows them to examine whether commonly used metrics for assessing the health of eagle populations are reliable.
Scientists wanted to find out what effect climate change will have on penguins in Antarctica.
Wind turbines sometimes injure vultures flying by. Researchers are looking for ways to solve this problem.