The Probers

[caption id="attachment_10753" align="alignleft" width="370"] Shorebird Beaks[/caption] We've all watched birds pecking at trees working their way around the trunk and sticking their bills under the bark. These  are the insectivore probers, looking to extract an invertebrate [caption id="attachment_10750" align="alignright" width="183"] Brown Creeper[/caption] morsel. The penduline-tits of Eurasia, so named because…

Books, and More Books

I read one time that there is almost one bird book a day published in the United States. That’s a lot. Some of these are very minor local books, some are just junk, some are terrific and a lot are inbetween. One review of the best books of 2018 can…

Swallows and Tattoos

[caption id="attachment_10733" align="alignleft" width="548"] Barn Swallow[/caption] Swallows seemed to have captured people’s imaginations over the years. They are attractive, acrobatic, long distance migrants and one of the most aerial birds. Aristotle noticed them around 363 BC and stipulated (Aristotle didn’t always collect data or do proper or sufficient observations) that…

Bird Egg Coloration

[caption id="attachment_10724" align="alignleft" width="568"] Dinosaur Eggs[/caption] Birds are the only vertebrates that lay colored eggs. But in a new paper, Dinosaur egg colour had a single evolutionary origin, lead author Jasmina Wiemann of Yale University said that nonavian dinosaur ancestors had colored eggs as well. About a decade ago, Richard…