Do nine-primaried oscines represent 16 different families?
10,000 Birds
JANUARY 20, 2013
Some scientists have lumped them all into one enormous family (e.g., Sibley and Monroe 1990), but more often, they have been treated as several families. This approach, though, has lead to much confusion over which birds belong in which families (remember when we learned that Piranga tanagers are actually cardinals ?),
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