Phenology (nature's timing). Climate change. Ornithology.
Records of 1950's bird arrivals at Michigan wildlife refuge, compared
with 1990's dates in climate study.
HOME
|
|
To access this shot and others on this topic,
please call Braasch Photography at (503) 860-1228 or email to gary@braaschphotography.com.
More information about Braasch Photography is at http://www.braaschphotography.com