Friday, May 10, 2019

Phenology Calendar

Posted by Wayne G. Barber


Phenology Calendar

Third Week of May

The four-petalled flowers of garlic mustard (Alliaria petiolata) open early in spring. This invasive plant tolerates shade and excretes compounds that kill soil fungi that are important to native plants.

Raven chicks are beginning to fledge. They are among the earliest birds to leave their nests.

Big toothed aspen seeds are riding on the wind.

The dozen or so yellow-green flowers of striped maple are now dangling like little bells from a slender stalk.

Fourth Week of May

Bobcat kittens, usually three in a litter, will be born soon. Like domestic kittens, they will have fur but their eyes won’t open for a week to 10 days.

First-time white-tailed deer mothers usually have a single fawn; twins are the norm after that.

Those annoying starlings do benefit agriculture by eating clover weevils, cutworms, and Japanese beetle larvae.

Mimics, such as mockingbirds and starlings, go on learning new songs throughout their lives.
Source: Virginia Barlow

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