Date: 11/4/19 6:42 pm
From: Chuck Berthoud <cbpabirds...>
Subject: November eBird Challenge, world-wide eBird coverage, eBird count totals
The November eBird Challenge is for birders to submit 3 or more
checklists a day. Rather than keeping a day list, consider making one
for each stop or change in habitat. Even if the stop is for only a few
minutes, shorter lists have great value. Each day that you submit 3
eligible checklists gives you one chance to win a pair of Zeiss Conquest
HD 8x42 binoculars.

Arecent articleabout how well the eBird database represents our current
knowledge on where species occur geographically and over time is
summarized on the home page,dated October 28. Since eBird started in 2002:

*

eBird has documented birds over 84% of the land surface on earth

*

monthly observations reportabout 75% of the species in each major region

*

only about 5% of the earth’s terrestrial surface contained enough
observations of all of the species present in the region to be
considered complete.

Some ways birders can help build a more complete database:

*

bird year round not just during migration

*

visit the under-birded areas

*

“expand your concept of where to enter a checklist”

New this month is a total of all birds on the checklist. This is only
provided on checklists that do not contain ‘X’ in the count, another
nudge to count or estimate allbirds seen.

All birds count.

Chuck, York County
 
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