Interestingly, birds remain woefully understudied when it comes to the optical extras. Until now, no one had looked for the ...
For about two weeks every February, San Francisco is privy to a breathtaking sight: the peak bloom of Golden Gate Park’s ...
Q: The amount of effort that goes into a Christmas Bird Count varies quite a bit across years and count circles. How do you deal with this issue when you calculate abundance trends? How do you know ...
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