OK

Phenology is a science that anyone can practice without a lab coat, microscope, or PhD. It's the study of seasonal events such as first flowers, appearance of certain butterflies, etc. People have tracked these dates for decades -- even centuries -- and now there's a place on DK to record your own observations. A casual spot to tell what you're seeing in the park down the road or in your own back yard.

A place for shared interest in aviation, the politics of aviation, and aviation news of the day. General aviation, airlines, or military welcome. Wright Bros to present day. Three dimensions required.