CalendarYork County Audubon programs are free and open to the public.
- May 21, 2013
- June 8, 2013
- June 18, 2013
- July 6, 2013
- July 13, 2013
- September 14, 2013
- October 27, 2013
- November 9, 2013
Category Archives: Science
Adapted from an article by Jessica Bloch. Rebecca Holberton was the presenter at our 2011 Annual Meeting.
It was 8:10 on a mild, clear October 2009 morning on Metinic Island in Penobscot Bay, and a group of University of Maine researchers was already several hours into a shift collecting, banding and analyzing songbirds migrating off the [...]
Last time I wrote that in 2010, birders using eBird had reported seeing 298 species in York County. Since then, I’ve discovered a quirk in that data: In eBird, “species” is more than species. The tally is not as close to 300 as I thought!
Most birders have spotted birds that they couldn’t nail down to [...]
The American Ornithologists’ Union published the 51st supplement to its check-list of North American Birds in July of 2010. Here is a brief summary of the changes of interest to ABA birders. The updated AOU checklist, now with 2070 species, can be found at www.aou.org/checklist/north. The following splits affected ABA area birds: Black Scoter (Melanitta [...]
How many bird species can be seen in York County in a single year? A dedicated birder can tally 200 or more with reasonable effort, but what if a bunch of birders ranging from casual watchers to serious listers contributed to a single collective list? They have, on eBird, and the 2010 total was 298. [...]