Branding Breeding Family Guidelines 
10,000 Birds
JUNE 1, 2021
Interestingly, Chestnut-collared Longspur does appear under its brand-new official name, Thick-billed Longspur, though the description underneath uses the old name. I like my field guides to have clearly stated taxonomic guidelines in the Introduction, even if it includes a page of exceptions, and a cut-off date.
10,000 Birds
DECEMBER 5, 2017
Most of the species are described in the Species Accounts, arranged taxonomically into 86 family chapters. Each family chapter begins with a brief, bold-printed description of the common traits of the species in the family and an enumeration of the number of species worldwide and the number of species in North America.
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