WASHINGTON (AP) — A bay-breasted warbler weighs about the same as four pennies, but twice a year makes an extraordinary journey. The tiny songbird flies nearly 4,000 miles (6,437 kilometers) between ...
https://doi.org/10.1641/0006-3568(2006)056[0437:wuihaw]2.0.co;2 • https://www.jstor.org/stable/10.1641/0006-3568(2006)056[0437:wuihaw]2.0.co;2 Copy URL AbstractThe ...
Adaptive scenarios in evolutionary biology have always been based on incremental improvements through a series of adaptive stages. But they have often been justified by appeal to assumptions of how ...
In a recent study published in Emerging Infectious Diseases, researchers determined the zoonotic transmission potential of influenza A viruses (IAVs) H3 subtype of avian, equine, and swine origin. H3 ...
Romancing the dinosaurs : blame to go around -- What did evolution's high priest say? -- The iconic Urvogel was a bird -- Mesozoic Chinese aviary takes form -- Big chicks : the flightless birds -- ...