Recording the dates of first (and last) occurrence of biological events in their annual cycle and the study of the effects of the seasons on plants and animals.
Or more simply put, it’s the calendar that nature uses.
Tracking the changes in the seasons is a passion of mine. It started informally at the cabin my family had in my formative years. Now that I’m living in the greater Yellowstone area, I keep a Yellowstone Phenology Journal. While the physical version stays as my priority, I do try to get as many little notes up here as possible.
Keeping a phenology journal provides a comfort in knowing what’s normal and what to expect next. Anytime is a good time to start one.
From the Blog:
It's been a gray, drizzly day today as I write this and the driveway is full of fallen catkins from the neighbor's aspen trees. Tomorrow has the forecast of snow showers followed by a day of sun and yet another system to move in after that. Daffodils and crocuses are...
The bluebirds are back! The image above comes from a friend of mine out in Wapiti who reported seeing the first ones arrive on March 10 this year. Often it's just the males first, but this year quite a few pairs showed up together and already house hunting. So...
Starting a phenology journal is as simple as noting when you observe the firsts of the year. And the Mountain Bluebirds should show up in the greater Yellowstone area anytime in the next week or so. Each year you make notes of the firsts, you go back through and start...