Souces section will be updated erratically due to time constraints.

I send out source links to subscribers with each new issue. Please subscribe.

Links and notes for each issue are listed below. To jump to the issue you are looking for, use these linked titles: 01:CICADA; 02:BIRDFIGHT ; O3:BEACHROSES; 04:AUTUMNALEQUINOX


Mechanism of the Seasons:


Earth Rotation and Revolution Around a Moving Sun:

Non-video visuals for understanding the equinox:

an old page put out by washington state university

Maps and charts of time and daylight:

Thanks to the photographers on Flickr for sharing squirrel photos.

For more on squirrels try:

And in Episode 4 of David Attenborough's Life of Mammals, “Chisellers”

1998 study on acorns and squirrels:


Cornell Lab of Ornithology - a great site for bird ID assistance and bird information!

The beneficial side of rosa rugosa:

A website / portal for mapping invasive species:

The RI Wild Plant Society

A nice series on seed and fruit development that includes the cross section of rose hip used for this illustration:

A detailed and methodical description of processing rose hips at:


Sources for the current issue include:

Reference books:

David Sibley's Field Guide to the Birds of Eastern N. America, 2003

National Audobon Society Field Guide to N. American Birds, 1994

NOAA 10 basic cloud types:

Research shows that some clouds synchronise their rainfall. Read about synchronous clouds here:

About feathers:

A classic piece of radio to listen to is the BBC broadcast of the cello and the nightingales:

About crows:

also (NOT family friendly, but good for a chuckle)


Class: Insecta

order: Hemiptera

family cicadidae

subfamily: cicadinae

genus: Neotibicen

Sources for the issue include:

David Robinson July 3, 2014 “Allow Your Wings to Dry”

Massachusetts Cicada researcher

cicada mania – a description of how and why the cicada makes its call including audio samples of different kinds of calls


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