| http://www.w3.org/ns/prov#value | - It is also the coldest and harshest time of year in the northern hemisphere, so the count provides good information on winter survivorship. (Note however that some waterfowl, blackbirds, cranes, swallows, and other species are already beginning their northward migration in the United States.) In 2012 the count posted record-breaking numbers, with 104,151 checklists submitted of 623 species and 17.
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