Breeders Costa Rica Research Center Species 
10,000 Birds
MAY 28, 2016
In the northern hemisphere, the combination of migrants, resident species, and higher frequency of bird song makes it much easier to identify more birds, compared to say, August, so if you want to get really crazy and go for a Big Day record, spring is the time to go for it. It can’t be any time in spring, though.
10,000 Birds
OCTOBER 1, 2016
Contributions this month have come from; Costa Rica, USA, Australia, Mexico, Serbia, South Africa, UK, Botswana, Ethiopia, Nigeria, Saudi Arabia and Iran. All birds are equal on this list; parking lot birds or pelagic species, breeders or fly-overs, all will be accorded the same status and each shall be worth 1 credit on the list.
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