Philadelphia Science Species 
10,000 Birds
JULY 19, 2021
In 2021, the American Ornithological Society announced that it has now classified the Bahama Nuthatch as a distinct species, Sitta insularis. He noted that this new bird had longer bills and “darker loral and auricular regions” than the mainland Brown-headed Nuthatch, and collected two of them for science. There’s just one problem.
10,000 Birds
MAY 4, 2021
Chapter Two is a potpourri of stories about nemesis birds, birding by ear, birding for science, under the rubric of birding ‘for the love of it.’ Adventures of a Louisiana Birder: One Year, Two Wings, Three Hundred Species. ’ What was left to write about? ’ “Is this going to be a collection of essays?”
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10,000 Birds
AUGUST 2, 2019
It’s often said that the native wild grape varieties of the New World– of the species Vitis riparia , Vitis labrusca , Vitis aestivalis , and Vitis rupestris – are ill-suited to winemaking in the European tradition. In fact, that claim may have even been repeated here on this page just last week.
10,000 Birds
MAY 5, 2015
Birding by Impression is a conscious, deliberate method of identifying and recognizing birds based on the study and evaluation of “distinctive structural features and behavioral movements” and comparison with nearby and similar species. It is not a handbook, though it approaches species from a collective viewpoint. So say Kevin T.
10,000 Birds
DECEMBER 7, 2019
Whatever it was, Corey was found at his keyboard 2 hours later, covered in blood and snot and sporting a cut lip, having announced that he and Mike would rescue the failing list by taking personal responsibility for adding 300 species. Mourning Warbler – Geothlypis philadelphia. Philadelphia Vireo – Vireo philadelphicus.
10,000 Birds
MARCH 3, 2018
They found 673 species and advanced the yearly total to 1019. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Bonaparte’s Gull – Chroicocephalus philadelphia. 07 Jan 2018. 06 Jan 2018.
10,000 Birds
APRIL 7, 2018
During March, 11 beats shared 122 checklists to accumulate 680 species from 8 countries; USA, Costa Rica, Serbia, India, Australia, New Zealand, UK and Japan. Philadelphia Vireo – Vireo philadelphicus. Mourning Warbler – Geothlypis philadelphia. Mark Hatfield Marine Science Center and Estuary Trail.
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