Research by scientists and conservationists shows that critically endangered Saharan cheetahs exist at incredibly low densities and require vast areas for their conservation. The research also offers some of the world's only photographs of this elusive big cat.
A biological sciences professor is receiving attention for his research and publication on a bilateral gynandromorph bird found in the wild. More specifically, the bird has the brownish-gray feathered appearance of a female cardinal on its right side and that of a male cardinal's red feathers on its left side.
Migratory birds are a little like college students moving from home to school and back over the year. With each move they switch landlords, encountering new rules and different living conditions. That's the finding of one of the most detailed assessments of bird ranges ever conducted, work begun as part of the State of the Birds 2011 report.