Reminders and Perils of Fall Migration in Costa Rica
10,000 Birds
SEPTEMBER 14, 2019
Even if we couldn’t find time to raise the bins at a favorite patch, it only takes momentary glances into the sky and hearing chip notes from the trees to remind us that birds are on the move. Where will those birds go when they come back looking for food and shelter? Migration is happening. Every birder knows it.
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