Author name: Dr. Roger Lederer

Ornithologist and emeritus Professor of Biological Sciences at California State University, Chico, whose academic and research interests are ecology, environmental science, science education and ornithology. Published over thirty scientific research papers, a textbook entitled Ecology and Field Biology, books entitled Amazing Birds, Birds of New England, Pacific Coast Bird Finder, Bird Finder, Birds of Bidwell Park, Latin for Birdwatchers, Beaks, Bones, and Bird Songs, and The Art of Birds . Dr. Lederer has taught ornithology and ecology, worked with environmental organizations and schools on research and education projects, has traveled to over 100 countries, given many public presentations, and knows exactly what birds you will find anywhere in the world.

There’s Species and Then There’s Species

“Researchers have discovered that two hawks from surprisingly distant perches on the tree of life have mated, resulting in rare hybrid chicks. In 2005, Stan Moore, a master raptor bander at Fairfax Raptor Research, spotted something peculiar in the Laguna de Santa Rosa Wetlands Complex in Sonoma County, California. It was a common black hawk …

There’s Species and Then There’s Species Read More »

Roadkills

Windows and cats are major sources of mortality for our birds but certainly aren’t the only major causes. Somewhere between 87 and 350 million birds are killed by vehicles each year in the U.S., although the estimates vary. See this study. Barn owls seem particularly marked for doom. Now threatened or endangered in a number …

Roadkills Read More »