Breeders Experience Family Sample 
10,000 Birds
JANUARY 1, 2024
for a sample of more than 800 species ( source ). Azure-winged Magpies are cooperative breeders, and it seems that there is a connection between having a larger repertoire of calls and being a social species (me, not being very social, I usually get by with just three different grunting sounds).
10,000 Birds
SEPTEMBER 20, 2019
I haven’t yet been birding in Europe but whenever I occasionally skim a field guide about the birds on the other side of the Atlantic, I’m always encouraged to find that I’m already familiar with many species found over there, even though most of my birding experience has been limited to eastern North America.
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