New research confirms that the hen harrier (Circus cyaneus), a medium-sized bird of prey found in parts of North America and Eurasia, is two different...
A nearly 50-million-year-old bird fossil unearthed in Wyoming represents a new species that is a close relative of living kiwis, ostriches, and emus, according...
Seven fossil teeth recovered from the Miocene layers of the Las Cascadas Formation in the Panama Canal Basin are the first evidence of a monkey on the...
